Solve Two Step

In this video, the instructor shows how to multiply and divide rational expressions. To solve a rational expression that contains many terms, solve step by step by following the order of operations. Order of operations advises one to work the parenthesis part first; so solve t ...more

You can solve systems by using the substitution method. Here are two examples. One says y=3x+2 and the second says 7x-4y=7. The math teacher explains that if y is the same thing as 3x+2, then 3x+2 can be substituted for y in 7x-4y=7. Once it is substituted, your equation will ...more

In this tutorial the author Binkley shows how to multiply and divide fractions. He says that the first thing to remember before multiplying and dividing fractions is to first check if all the numbers are in the fraction form. Now in the second step if its multiplication we can ...more

When you see a problem involving a fraction, don't freak out. Dividing fractions is actually fairly easy once you learn the simple formula of how to do it. Math can be scary, but don't give up. Follow these simple steps, and soon you'll be dividing fractions like a pro. Step ...more

Math is one of those subjects in school where you either love it or hate it or just don't get it. But math is nothing to fear, because it's a part of our everyday lives, and ifs something everyone should know the basics of. Don’t let math intimidate you. Whether you’re multipl ...more

Check out these step-by-step instructions on how to solve a Rubik's Magic really fast (in under 2 seconds).

Okay, you're sitting down, staring at this mess of colors in your hand, trying to make it look like it did when you originally bought it. The Rubik's Cube, my friend, is not as hard as you think it is. Watch this step-by-step, nine-video tutorial on how to solve the 3x3 Rubik ...more

The CubeCheater iPhone app takes pictures of Rubik's cubes and shows you how to solve them. This is a brand new iPhone application that takes a picture of your Rubik's cube and then solves it for you, step by step. Solve your cube in 0.01 seconds, easy.

Toss aside that Sudoku. Take a stab at the new craze to hit the Times: KenKen. New York Times puzzle editor Will Shortz introduces KenKen and gives a brief play-by-play demonstration of this new puzzle craze. In this video, Will Shortz speaks about how he found out about and ...more

Watch this four-part how to video on solving the 5x5 Rubik's Cube Professor. What, you didn't know they made them that big? Well, they do, and it's called the Professor. The 5x5 monolith. The first step to solving the 5x5 Rubik's Cube is that you need to correctly position th ...more

This video describes about how to solve multiple proportions. The first step describes how to cross multiply and solve the equation. There are three proportions solved in this video and they are explained how to arrive the final answer. The first step is multiplying the denomi ...more

The Rubik's Cube, originally called the "Magic Cube," is a mechanical puzzle invented in 1974 by Hungarian sculptor and professor of architecture, Erno Rubik. If you want to learn how to solve the Rubik's Cube, then just check out this two-part video tutorial, which will have ...more

In this tutorial the instructor shows how to convert lengths between different units. He show a two step approach where in the first step he setups a relation between centimeters and meters showing that 100 cm equals 1 meter. Now he writes it down in a fraction form and equate ...more

Equations involving square roots are difficult to solve because of the complexity involved in performing operations on the square root terms. But you can follow a series of steps to solve these problems easily. To solve these kind of problems first isolate the square root term ...more

Try solving Erno Rubik's brain-teasingly fun classic puzzle... the Rubik's Cube. This puzzle cube mystifies everyone, but not everyone can solve it, unless you watch this three-part video tutorial. See how to solve the classic Rubik's Cube puzzle, step-by-step. You'll learn ab ...more

This video shows you step by step how to do long division without the use of a calculator. The video shows viewers two different ways to solve a division problem. It first shows how to do the problem the traditional way, then it shows how to do it according to the long divisio ...more

In this video tutorial the instructor shows how to solve equations by the comparison method. In this method he isolates either the x or y variables in both the equations and now compares the other side of equations directly to derive the value of the other variable. Now this d ...more

Having trouble with word problems in algebra? Watch this video to clear a few concepts as well as to learn how to systematically tackle word problems in exams. As explained in the video, the solution to any algebraic problem can be found by using the following 5 steps: 1) De ...more

This video shows you how to easily convert units. The first step you have to do is setup a proportion between a known conversion (e.g.. convert 2.5 km to m: 1km = 1000 m, => 1 km/1000 m = 2.5 km/X m). The second step you have to do is solve the equation by taking the cross pro ...more

Ever had a picture cube that you just couldn't fix the middles for? If you already understand the Rubik's Cube, then watch these two videos, if not, then watch something else, or read the "7 Step Solution Guide." Part 1 of 2 - How to Solve a picture Rubik's Cube. Part 2 of 2 ...more

This two part video walks you through the steps of solving a strange chess problem. Don't fret, any question you may have, will be answered. Watching this video will make you help you to solve that ever so difficult chess problem. Part 1 of 2 - How to Solve a strange chess pro ...more

Lock picking is a great skill that takes lots of practice and patience to master, but some locks simply can't be picked, like a Master Lock combination padlock. With a combination lock, you'll have to do it the old-fashioned way—cracking combinations. Video: . If you were to t ...more

Are Erno Rubik's puzzles driving you mad? You can't solve the Rubik's Cube and you've had enough, so what is the best way to relieve that stress? Getting even, that's what. This video tutorial will teach you how to properly smash the 4x4 Rubik's Cube Revenge puzzle. Smashing ...more

Need a little help solving the first part of the Rubik's Cube puzzle? The F2L (First Two Layers) could be tricky, and could get you back to square one if you don't know what you are doing, but don't worry, you'll be able to solve that Cube in no time. Check out this two-part ...more

You have a Rubik's Cube, maybe your mother gave it to you for your birthday, maybe you actually bought it for yourself, or maybe you just found that colorful puzzle cube in the gutter, but either way... you don't know how to solve it. This step-by-step seven-part video tutori ...more

Ever hear of a Rubik's Cube, well, did you know that some people can actually solve the mighty puzzle? Yes, that right, they sure can, and so can you... maybe. Check out this video tutorial on how to solve the Rubik's Cube with ease. Solving the cross is an intuitive step, so ...more

If you've solved the classic Rubik's cube and are looking for a bigger challenge, try stepping up to the V-Cube 7, currently the biggest puzzlecube out there. This tuturial walks you through sides, centers, edges to help you work it out. This is a two part video, so make sure ...more

Math can be tricky, especially when you're trying to decipher algebra. It's a love-hate thing; if you don't love math, then you hate it, and there's no in-between. But it doesn't have to be a pain to solve a few problems. It's actually quite simple once you figure it out. An a ...more

If you're struggling a bit with algebra, check out this video to learn how to isolate a variable. Isolating a variable is a matter of separating and simplifying. Step 1: Bring like terms together Bring like terms together. All equations have two sides. You want to perform t ...more

Sudoku is a one-rule puzzle game that can be either satisfyingly simple or deceptively difficult. Step 1 Cells where an individual number goes are called squares; squares are then sectioned off in groups of nine to create boxes.They create a three-box-by-three-box grid. Step ...more

This video tutorial will teach you how to solve the F2L (first two layers) of a Rubik's cube with a Fridrich F2L Method. This is only the basics of solving the first step of the Rubiks Cube, which means no algorithms, just right positioning, and if you can get quick enough it ...more

Rubik’s UFO is an out-of-this-world puzzle experience from the inventors of the world famous Rubik’s Cube! A few twists and turns completely scrambles the UFO. The challenge is to put the UFO back in working order with all the colors matching up. Can you do it? This two-part ...more

Solving puzzles can be hard, especially when it comes to Rubik's Cube. Erno Rubik's puzzles are extremely difficult, three-dimensional mechanical cubes, unless you're determined and can handle a few mathematical algorithms, then they're easy, or at least not impossible. Watch ...more

This video shows the viewer how to solve simultaneous equations using a graph or ‘graphing’ as it is referred to. This is done by first rearranging both equations so that y is the object of both equations. The equations can then be solved via substitution – the video does not ...more

Need a little help solving the first part of the Rubik's Cube puzzle? The F2L (First Two Layers) could be tricky, and could get you back to square one if you don't know what you are doing, but don't worry, you'll be able to solve that Cube in no time. Check out this video tut ...more

Azimuth is simply the angle of an object in the sky along the horizon. Yes, it's spherical trigonometry but it's not difficult! Check out this video and in just a few minutes you will be able to solve azimuth problems on your own. You Will Need: * The latitude and longitude of ...more

No matter how hot it gets in your home this summer, you can bet that it’s even hotter in your attic. All that heat in your attic gets transferred to the ceiling below, which will in turn heat the interior of your house. One way to solve this problem is to cool your attic with ...more

In this video the instructor shows how to factor a general quadratic polynomial. Here the first step is to identify the coefficient of the squared term. Write the reciprocal of the numerical coefficient of the squared term out side and write two separate parenthesis which are ...more

Electronics seem to fail on you at the worst moments, don't they? Luckily, if your iPod freezes, there is a quick and easy fix. Check out this video and learn how to reboot your iPod on the spot and solve many issues. You Will Need • An iPod • A power adapter Step 1: Make s ...more

In this video the instructor shows how to write a linear equation. If you need to find the equation of a line that passes through the two given points then you need to find the linear equation of that line. The first step is to find the slope of the line that passes through th ...more

Need a little help solving the first part of the Rubik's Cube puzzle? The F2L (First Two Layers) could be tricky, and could get you back to square one if you don't know what you are doing, but don't worry, you'll be able to solve that Cube in no time. Check out this walk-thro ...more

This video teaches you how to use substitution to find the point on a graph (the x and y coordinates) where two separate equations would cross. Substitution is a trick of algebra that allows you to find this point without making a graph. The first step is to isolate one of the ...more