x五次方-x的三次方y平方
问题描述:
x五次方-x的三次方y平方
答
由x^5-x³y²
=x³(x²-y²).
=x³(x-y)(x+y).
x五次方-x的三次方y平方
由x^5-x³y²
=x³(x²-y²).
=x³(x-y)(x+y).