Solve: x2 + 4x − 12 = 0. a. x = 2, x = −6 b. x = −2, x = −6 c. x = 3, x = −4 d. x = −3, x = 4

asked Dec 6, 2018 197k views

4 votes

Solve: x2 + 4x − 12 = 0.

a. x = 2, x = −6
b. x = −2, x = −6
c. x = 3, x = −4
d. x = −3, x = 4

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4 votes

x^2 + 4x - 12 = 0
What factors add to give 4 and multiply to give -12? -2 and 6

(x-2)(x+6)

Answer A) x = 2 and x = -6

Malgorzata answered Dec 8, 2018

5.9k points

7 votes

Use the quadratic formula to get A. x=2, x=-6

Deses answered Dec 12, 2018

by Deses

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