Answer:
yeah i agree with the first answer (i'll take a free answer when i can)
Explanation:
(x + 9)(x - 2)
x^2 + 7x - 18
-18 = 9 * -2
9 + (-2) = 7
So factor:
x^2 + 7x - 18 = (x + 9)(x - 2)
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