4(x+m)^2-(x-m)^2平方差

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4(x+m)^2-(x-m)^2平方差4(x+m)^2-(x-m)^2平方差4(x+m)^2-(x-m)^2平方差=(2x+2m+x-m)(2x+2m-x+m)=(3x+m)(x+3m)谢谢o(︶︿︶

4(x+m)^2-(x-m)^2平方差
4(x+m)^2-(x-m)^2平方差

4(x+m)^2-(x-m)^2平方差
=(2x+2m+x-m)(2x+2m-x+m)
=(3x+m)(x+3m)
谢谢o(︶︿︶)o