4. Find the solution(s) for the following equation \( 2 x ^ { 2 } + 3 x = 3 x + 32 \)
a. The solution is \( x = - 4 \)
b. The solutions are \( x = 8 \) and \( x = - 4 \)
c. The solution is \( x = 32 \)
d. The solutions are \( x = - 4 \) and \( x = 4\)