将(x-2y)^2-8(x-2y)(x+y)+16(x+y)^2分解因式

janelee112022-10-04 11:39:541条回答

将(x-2y)^2-8(x-2y)(x+y)+16(x+y)^2分解因式
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kirk_xue 共回答了17个问题 | 采纳率94.1%
(x-2y)^2-8(x-2y)(x+y)+16(x+y)^2 = [(x-2y) - 4(x+y)]^2 = 9(x+2y)^2
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