(x-2)²乘以x等于多少
问题描述:
(x-2)²乘以x等于多少
答
(x-2)²x=(x²-4x+4)x
=x³-4x²+4x
(x-2)²乘以x等于多少
(x-2)²x=(x²-4x+4)x
=x³-4x²+4x