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
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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
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
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
(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+x)(5-x)
(8)4x³-8x²+4x=4x(x-1) ²
(9) m²-n²+2m-2n=(m-n)(m+n+2)
(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)...
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(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)(x+5)
(8)4x³-8x²+4x =4x(x-1)^2
(9) m²-n²+2m-2n=(m+n)(m-n)+2(m-n)=(m-n)(m+n+2)
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