因式分解:4(x+y)^2-(x-y)^2

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因式分解:4(x+y)^2-(x-y)^2因式分解:4(x+y)^2-(x-y)^2因式分解:4(x+y)^2-(x-y)^24(x+y)^2-(x-y)^2=(2x+2y+x-y)(2x+2y-x+

因式分解:4(x+y)^2-(x-y)^2
因式分解:4(x+y)^2-(x-y)^2

因式分解:4(x+y)^2-(x-y)^2
4(x+y)^2-(x-y)^2
=(2x+2y+x-y)(2x+2y-x+y)
=(3x+y)(x+3y)

(x+3y)(3x+y)

(2x+2y-x+y)(2x+2y+x-y)=(x+3y)(3x+y)

前面的都回答的很好了,,,,