Answer:

x = 4 or x = -5

Step-by-step explanation:

2x² + 2x - 40 = 0

2x² - 8x + 10x - 40 = 0

2x(x - 4) + 10 (x - 4) = 0

2(x - 4)(x + 5) = 0

x - 4 = 0 or x + 5 = 0

x = 4 or x = -5 the answer

hope it's help