> 数学 >
多项式因式分解 1,(x-y)³-(x-y)²(x+y) 2,x(x²-xy)-(4x²-4xy) 求过程,
人气:128 ℃ 时间:2019-08-18 00:59:15
解答
1,(x-y)³-(x-y)²(x+y)
=(x-y)²(x-y-x-y)
=-2y(x-y)²
2,x(x²-xy)-(4x²-4xy)
=x²(x-y)-4x(x-y)
=x(x-y)(x-4)
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版