20 because you continue adding 4
Answer:
x=−1 or x=−12
Step-by-step explanation:
Let's solve your equation step-by-step.
x2+13x+12=0
Step 1: Factor left side of equation.
(x+1)(x+12)=0
Step 2: Set factors equal to 0.
x+1=0 or x+12=0
It’s B
12x-3=
x=12+3
=15
=5×+7=
×=7-5
=2
5
