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Factor 9-x^2 completely
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5 votes
Factor 9-x^2 completely

User Sergiuz
by
4.8k points

1 Answer

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)

User BkDJ
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