Question

Which number is a solution to x2 + 8x + 12 = 0

Answer 1

combine like terms so 10x+12=0
subtract 12 -12 -12
divide by 10 10x=-12
x= 1.2

Answer 2

x^2+2x+6x+12=0
x(x+2)+6(x+2)=0
(x+6)(x+2)=0
either
x+6=0 or x+2=0
x=-6 or x =-2
this is the correct answer