(x的2次方)的平方×(-x的5次方)-(-x的3次方)的平方×x的3次方+(x的3次方)的3次方

问题描述:

(x的2次方)的平方×(-x的5次方)-(-x的3次方)的平方×x的3次方+(x的3次方)的3次方


(x的2次方)的平方×(-x的5次方)-(-x的3次方)的平方×x的3次方+(x的3次方)的3次方
=(x²)²×(-x^5)-(-x³)²*x³+(x³)³
=x^4×(-x^5)-x^6×x³+x^9
=-x^9-x^9+x^9
=-x^9