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几题因式分解求过程、、3种混合 (1)ax+ay+a (2)3mx-6mx²(3)4a²-10ah4.x²y+xy²
(1)ax+ay+a (2)3mx-6mx²(3)4a²-10ah(4).x²y+xy²(5)12xyz-9x²y² (6)x²-6xy+x (7)-25x+x³ (8)4x³-8x²+4x (9) m²-n²+2m-2n
人气:187 ℃ 时间:2019-10-03 21:28:35
解答
(1)ax+ay+a =a(x+y+1)(2)3mx-6mx²=3mx(1-2x)(3)4a²-10ah=2a(2a-5h)(4).x²y+xy²=xy(x+y)(5)12xyz-9x²y²=3xy(4z-3xy)(6)x²-6xy+x =x(x-6y+1) (7)-25x+x³ =-x(5...
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