Answer:
B
Step-by-step explanation:
I know this because 12 dividend by 13 is closer than 9 than any other answer.
Answer:3,18
-7x = x2 + 12
x2 + 7x + 12 = 0
(x+3)(x+4)=0
x+3=0, x+4=0
x= -3, x= -4