Factor the following equation: x^2 -x-90

asked Mar 3, 2021 49.8k views

5 votes

Factor the following equation:
x^2 -x-90

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Answer:

(x - 10)(x + 9)

Explanation:

${x}^(2) - x - 90 \\ = {x}^(2) - 10x + 9x - 90 \\ = x(x - 10) + 9(x - 10) \\ = \red{ \boxed{ \bold{ (x - 10)(x + 9) }}}\\$

Tralston answered Mar 7, 2021

3.2k points

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