(2x^2)^3-6x^3(x^3+2x^2+x)
问题描述:
(2x^2)^3-6x^3(x^3+2x^2+x)
答
(2x^2)^3-6x^3(x^3+2x^2+x)
=8x^6-6x^6-12x^5-6x^4
=2x^6-12x^5-6x^4