Factor 9-x^2 completely

asked Aug 21, 2022 183k views

5 votes

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7 votes

Answer:

-(x + 3)(x - 3)

Explanation:

Using the difference of squares we can factor this expression.

$(9 - x^2)\\= (3^2 - x^2)\\= (3 + x)(3 - x)\\= -(3 + x)(-3 + x)\\= -(x + 3)(x - 3)$

BkDJ answered Aug 25, 2022

by BkDJ

8.7k points

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