Question

How do you solve the following Quadratic Inequality x2+2x−15<0?

Answer 1

$x {}^{2} + 2x - 15 < 0 \\ = x {}^{2} + 5x - 3x - 15 < 0 \\ = x(x + 5) - 3(x + 5) < 0 \\ - 5 < x < 3 \: is \: the \: ans \\ thanks \:$

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