Question

What are the solutions of x2 + 2x - 24 = 0?
A:x = 4, x = -6
B:x = -4, x = -6
C:x = 4, x = 6
D:x = -4, x = 6

Answer 1

you can factor out x^2 + 2x - 24 into (x+6)(x-4)

Answer 2

now equate each factor to zero and solve for x

what's x when

x + 6 = 0

what's x when

x - 4 = 0