(8x^4-6x^3-4x^2+10x)÷(-2x)等于

问题描述:

(8x^4-6x^3-4x^2+10x)÷(-2x)等于

(8x^4-6x^3-4x^2+10x)÷(-2x)
=-(4x^3-3x^2-2x+5)
=-4x^3+3x^2+2x-5

120

-4x^3+3x^2+2x-5