Answer:
x = {-5, 4}.
Step-by-step explanation:
2x^2 + 2x - 4 = 36
2(x^2 + x - 2 = 18)
x^2 + x - 2 - 18 = 0
x^2 + x - 20 = 0
(x + 5)(x - 4) = 0
x = -5, 4.
