Question

Solve the following quadratic equation by quadratic formula.

x^2 + 2x - 8 = 0

Answer 1

Factors of -8 that adds up to 2
4 x -2 = 8
U can check by doing 4-2=2
So your left with
x(4+x) (2-x)
But you two solutions are
X= -4
X= 2