Use the zero product property to find the solutions to the equation x2 + x – 30 = 12.

Question

A.x = –7 or x = 6

B.x = –7 or x = –6

C.x = –6 or x = 7

D.x = 6 or x = 7

Answer 1

x^2 + x - 30 = 12

x^2 + x - 42 = 0

(x + 7)(x-6) = 0

x+7 = 0 or (x-6) = 0

x = -7 or 6 (A)