Question

What is a solution of x² + 6x = –5?

x = –6
x = –1
x = 1
x = 6

Answer 1

(x+5)(x+1) = 0
x=-5 and x=-1

Answer 2

... so x=-1.

Answer 3

x^2 +6x +5 = 0

(x+1)(x+5) = 0

x = -1
x = -5

Answer 4

they are both right you have to set it to zero then factor it out