Simplify the sum. State any restrictions on the variable.
9x + 9
X -8
3x + 4
X-8
Select the correct choice below and fill in the answer box(es) to complete your choice.
O A. 9x+9
3x + 4
for x #
X-8
X-8
(Simplify your answers. Use a comma to separate answers as needed.)
) B. 9x +9
3x + 4
x- 8
X -8
(Simplify your answer.)
for all values of x