The answer for the question is C - 3
This is most likely a rectangular prism, C.
The answer is really simple just do 3 plus 5 which is 8 so the answer is 8x
Answer:
a = - 3
Step-by-step explanation:
The equation has common factors x(x + 3) on both sides
For the 2 sides of the equation to be equal, then the factor
(x + a) = (x - 3) and by comparison
a = - 3
