Factor the following difference of perfect squares x^2-81

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asked Nov 5, 2022 107k views

2 Answers

Hariszaman · Answer 1 · 2022-11-06T14:57:52+0000

Since both terms are perfect squares, factor using the difference of squares formula, a ^2 − b^ 2 = ( a + b ) ( a − b ) where a = x and b = 9 . ( x + 9 ) ( x − 9 )

Factor the following difference of perfect squares x^2-81

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