X(5+3x^2-x)-x(2-x+x^2)-(3x-16+2x^3)

Question

X(5+3x^2-x)-x(2-x+x^2)-(3x-16+2x^3)

Answer 1

X(5+3x²-x-2+x-x²)-(3x-16+2x³)=x(3+2x²)-(3x-16+2x³)=3x+2x³-3x+16-2x³=16