Answer:
A: x = -3, D: x = 8
Explanation:
First you must subtract 24 from both sides of the equation.
You should end up with

Next you must factor the left side of the equation:

Now, set each of the factors equal to zero:
Subtract 3 from both sides of the equation.
Add 8 to both sides of the equation.
You will then get x = -3 and x = 8.