Difference of Two Squares | MathHelp.com - By MathHelp.com
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| 00:0-1 | Here's the way I like to think through these factoring | |
| 00:02 | problems involving the difference of two squares . First , | |
| 00:07 | make sure that you're dealing with a perfect square minus | |
| 00:12 | a perfect square . In this case we are . | |
| 00:16 | So this binomial will factor as the product of to | |
| 00:22 | buy no meals . The first binomial will have a | |
| 00:27 | plus in the middle , the second , binomial will | |
| 00:31 | have a minus in the middle . In the first | |
| 00:34 | position will be the factors of X square that are | |
| 00:37 | the same , so X times X In the second | |
| 00:43 | position will be the factors of 1:44 that are the | |
| 00:47 | same . 12 times 12 . X plus 12 times | |
| 00:55 | X minus 12 . Is your answer a factored version | |
| 00:59 | of X squared minus 1 44 . It's important to | |
| 01:03 | be able to recognize your perfect squares like 1 44 | |
| 01:08 | . You might want to go back and review the | |
| 01:10 | perfect squares for the numbers one through 16 . |
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