Real math help.
How Do You Use the Formula for the Product of a Sum and a Difference?
Note:
Finding the product of two binomials with the same terms and opposite signs? You're finding the product of a sum and a difference! Use the formula for the product of a sum and a difference to quickly find the answer! This tutorial shows you how.
Background Tutorials
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Powers and Exponents
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How Do You Square a Number?
Want to square a number? Just take the number and multiply it by itself! If you square an integer, you get a perfect square! Check out squaring in this tutorial!
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Square Roots
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What's a Perfect Square?
Anytime you square an integer, the result is a perfect square! The numbers 4, 9, 16, and 25 are just a few perfect squares, but there are infinitely more! Check out this tutorial, and then see if you can find some more perfect squares!
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Polynomials
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What is a Polynomial?
If you learn about algebra, then you'll see polynomials everywhere! In this tutorial, you'll learn the definition of a polynomial and see some of the common names for certain polynomials.
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Product of a Sum and a Difference
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What's the Formula for the Product of a Sum and a Difference?
Multiplying monomials like (a + b) and (a - b) is really important when it comes to factoring, so if you want to get good at factoring, you're going to have to understand how to multiply a sum like (a + b) with a difference like (a - b)!
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Further Exploration
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Difference of Squares and Cubes
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How Do You Factor a Polynomial Using Difference of Squares?
Trying to factor a binomial with perfect square factors that are being subtracted? You have a difference of squares problem! Learn how to factor a binomial like this one by watching this tutorial.
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