作业帮[(x-2y)(x+2y)+4(x-y)^2]/(5x)
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/23 16:27:29
![[(x-2y)(x+2y)+4(x-y)^2]/(5x)](/uploads/image/z/971646-6-6.jpg?t=%5B%28x-2y%29%28x%2B2y%29%2B4%28x-y%29%5E2%5D%2F%285x%29)
x)֨5Ԩ&@^fQiMR>~v6R`]gkRgmbYTTjx(JL2Ȃ@E&LF 1H oA
[(x-2y)(x+2y)+4(x-y)^2]/(5x)
[(x-2y)(x+2y)+4(x-y)^2]/(5x)
[(x-2y)(x+2y)+4(x-y)^2]/(5x)
[(x-2y)(x+2y)+4(x-y)^2]/(5x)
=[x^2-4y^2+4x^2-8xy+4y^2]/(5x)
=[5x^2-8xy]/(5x)
=x(5x-8y)/(5x)
=(5x-8y)/5