Question

Solve the equation: q²+2q-8=0​

Answer 1

q = -4 q=2

Explanation:

q²+2q-8=0​

Factor

What 2 numbers multiply to -8 and add to 2

4*-2 = -8

4-2 = 2

(q+4)(q-2) =0

Using the zero product property

q+4 = 0 q-2 =0

q = -4 q=2