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x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2 =[x(y+z)-y(x-z)]^2 =(xz+yz)^2 =z^2(x+y)^2

分类: 作业答案 • 2021-12-31 11:23:20
问题描述：

x^2(y+z)^2-2xy(x-z)(y+z)+y^2(x-z)^2 =[x(y+z)-y(x-z)]^2 =(xz+yz)^2 =z^2(x+y)^2

答

x²(y+z)²-2xy(x-z)(y+z)+y²(x-z)² 完全平方式分解因式 [x(y+z)]²-2×x(y+z)×y(x-z)+[y(x-z)]² -------- ----------...

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