solving (2x-3) (2x^2 +3)
4x^3+6x-6x^2-9 is my answer
(2x - 3)(2x^2 + 3) =2x(2x^2 + 3) - 3(2x^2 + 3) =4x^3 + 6x - 6x^2 - 9 =4x^3 - 6x^2 + 6x - 9
