(x+3y)²-(x+3y) 怎么因式分解?
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(x+3y)²-(x+3y)怎么因式分解?(x+3y)²-(x+3y)怎么因式分解?(x+3y)²-(x+3y)怎么因式分解?(x+3y)²-(x+3y)=(x
(x+3y)²-(x+3y) 怎么因式分解?
(x+3y)²-(x+3y) 怎么因式分解?
(x+3y)²-(x+3y) 怎么因式分解?
(x+3y)²-(x+3y)
=(x+3y)(x+3y-1)
(x+3y)²-(x+3y)
=(x+3y)[(x+3y)-1]
=(x+3y)(x+3y-1)
(x+3y)²-(x+3y)提取(x+3y)
=[(x+3y)-1](x+3y)
=(x+3y-1)(x+3y)
(x+3y)²-(x+3y)可以提公因式(x+3y),
所以(x+3y)²-(x+3y)
=(x+3y)(x+3y-1)
(x+3y)²-(x+3y)=(x+3y)(x+3y-1)