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How do you factorize? (x-3)^2 - (x+4)^2
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We know that;
`A^2-B^2 = (A+B)(A-B)`
`A = (x-3)`
`B = (x+4)`
So the answer is;
`(x-3)^2-(x+4)^2 = -7(2x+1)`
Posted by jeew-m on March 24, 2013 at 1:39 AM (Answer #1)
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