分解因式:x的2次方-4*y的2次方+2x-4y

2024-12-15 22:54:52
推荐回答(3个)
回答1:

您好:

x的2次方-4*y的2次方+2x-4y
=x²-(2y)²+2(x-2y)
=(x-2y)(x+2y)+2(x-2y)
=(x-2y)(x+2y+2)

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回答2:

x²-4y²+2x-4y
=(x+2y)(x-2y)+2(x-2y)
=(x-2y)(x+2y+2)

回答3:

x^2-4y^2+2x-4y
=(x+2y)(x-2y)+2(x-2y)
=(x-2y)(x+2y+2)