Question

What are the solutions to x2 + 8x + 7 = 0?

Answer 1

x=-1, -7

Explanation:

x^2+8x+7=0

factor out the trinomial,

(x+1)(x+7)=0

zero property,

x+1=0, x+7=0

x=0-1=-1,

x=0-7=-7