计算题(x^3+3x-2)(5-x+2x^2)

问题描述:

计算题(x^3+3x-2)(5-x+2x^2)

(x^3+3x-2)(5-x+2x^2)
=5x^3-x^4+2x^5+15x-3x^2+6x^3-10+2x-4x^2
=2x^5-x^4+11x^3-7x^2+17x-10