Use the zero product property to find the solutions to the equation 2x2 + x – 1 = 2.

Question

asked Jun 19, 2021 146k views

2 Answers

DudeDoesThings · Answer 1 · 2021-06-21T21:18:27+0000

$2 {x}^(2) + x - 1 = 2$

Subtract sides -2

$2 {x}^(2) + x - 1 - 2 = 2 - 2$

$2 {x}^(2) + x - 3 = 0$

(x - 1)(2x + 3) = 0

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x - 1 = 0

x = 1

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2x + 3 = 0

$x = - (3)/(2) \\$

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