Answer:
j = -3, -4
Step-by-step explanation:
j^2 + 7j + 12 = 0
(j + 3)(j + 4) = 0
j = -3, -4
Answer:
j=−3 or j=−4
Step-by-step explanation:
j2+7j+12=0
Step 1: Factor left side of equation.
(j+3)(j+4)=0
Step 2: Set factors equal to 0.
j+3=0 or j+4=0
j=−3 or j=−4