Help please!! What is the product of -2x^3 + x-5 and x^3 - 3x -4?

(a)Show your work.

(b)Is the product of -2x^3 + x-5 and x^3 - 3x -4 equal to the product of x^3 - 3x - 4 and -2x^3 + x -5 ? Explain your answer.

Write an equation in which the quadratic expression 2x^2 - 2x -12 equals 0. Show the expression in factored form and explain what your solutions mean for the equation. Show your work.