Answer: 4 or x=−6
Step-by-step explanation:
Step 1: Subtract 24 from both sides.
x2+2x−24=24−24
x2+2x−24=0
Step 2: Factor left side of equation.
(x−4)(x+6)=0
Step 3: Set factors equal to 0.
x−4=0 or x+6=0
