哇咔咔 -(-x^2)*(-2x^2 y)^3 +2x^2(x^6 y^3 -1)_数学解答

哇咔咔
-(-x^2)*(-2x^2 y)^3 +2x^2(x^6 y^3 -1)

人气：412 ℃　时间：2020-03-20 06:08:50

解答

-(-x^2)*(-2x^2 y)^3=x^2*(-2x^2 y)^3=x^2*-8x^6 y^3=-8x^8y^32x^2(x^6 y^3 -1)=2x^8y^3 -2x^2-(-x^2)*(-2x^2 y)^3 +2x^2(x^6 y^3 -1) =-8x^8y^3+(2x^8y^3 -2x^2)=-6x^8y^3-2x^2