Question

Solve by inspection. Which two are solutions for 2x^2−2x−12=0
?(2 points)

x=−2


x=−12


x=3


x=2

Answer 1

Divide both sides by 2: x^2 − x − 6 = 0.
Factor: (x − 3)(x + 2) = 0, so x = 3 or x = −2.