Question

(3x^3-2x^2+7)(x^3+2x) using foil method

Answer 1

x(8x-5-13x³+2x²)

Explanation:

(3x²-5x-7x^4)-(-2x³+6x^4-5x²)

(x(3x-5-7x³))+2x³-6x^4+5x²

x(3x-5-7x³)+2x³-6x^4+5x²

x(3x-5-7x³+2x²-6x³+5x)

x(8x-5-13x³+2x²)