Anyone got the answer or know how to do this? I forgot the formulas.

asked Nov 4, 2021 126k views

1 vote

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3 votes

Explanation:

(x - 1)(x + 2) < 18

x^2 + x - 2 < 18

x^2 + x - 20 < 0

(x - 4)(x + 5) < 0

Hence, -5 < x < 4.

Jistanidiot answered Nov 10, 2021

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