因式分解:(1)4(x-2)-2(2-x) (2)x^2(m-1)^2-4(1-m)^2 (3)-8x^2n+2y^n+2+12x^n+1y^2n+3(4)-m^2 n(x-y)^n+mn^2 (x-y)^n+1急急急急急急急,过程 (3)-8x^2n+2 y^n+2+12x^n+1 y^2n+3会几个打几个
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![因式分解:(1)4(x-2)-2(2-x) (2)x^2(m-1)^2-4(1-m)^2 (3)-8x^2n+2y^n+2+12x^n+1y^2n+3(4)-m^2 n(x-y)^n+mn^2 (x-y)^n+1急急急急急急急,过程 (3)-8x^2n+2 y^n+2+12x^n+1 y^2n+3会几个打几个](/uploads/image/z/475908-60-8.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A%EF%BC%881%EF%BC%894%EF%BC%88x-2%EF%BC%89-2%282-x%29+%EF%BC%882%EF%BC%89x%5E2%28m-1%29%5E2-4%281-m%29%5E2+%283%29-8x%5E2n%2B2y%5En%2B2%2B12x%5En%2B1y%5E2n%2B3%284%29-m%5E2+n%28x-y%29%5En%2Bmn%5E2+%28x-y%29%5En%2B1%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%E6%80%A5%EF%BC%8C%E8%BF%87%E7%A8%8B+%283%29-8x%5E2n%2B2+y%5En%2B2%2B12x%5En%2B1+y%5E2n%2B3%E4%BC%9A%E5%87%A0%E4%B8%AA%E6%89%93%E5%87%A0%E4%B8%AA)
因式分解:(1)4(x-2)-2(2-x) (2)x^2(m-1)^2-4(1-m)^2 (3)-8x^2n+2y^n+2+12x^n+1y^2n+3(4)-m^2 n(x-y)^n+mn^2 (x-y)^n+1急急急急急急急,过程 (3)-8x^2n+2 y^n+2+12x^n+1 y^2n+3会几个打几个
因式分解:(1)4(x-2)-2(2-x) (2)x^2(m-1)^2-4(1-m)^2 (3)-8x^2n+2y^n+2+12x^n+1y^2n+3
(4)-m^2 n(x-y)^n+mn^2 (x-y)^n+1
急急急急急急急,过程 (3)-8x^2n+2 y^n+2+12x^n+1 y^2n+3
会几个打几个
因式分解:(1)4(x-2)-2(2-x) (2)x^2(m-1)^2-4(1-m)^2 (3)-8x^2n+2y^n+2+12x^n+1y^2n+3(4)-m^2 n(x-y)^n+mn^2 (x-y)^n+1急急急急急急急,过程 (3)-8x^2n+2 y^n+2+12x^n+1 y^2n+3会几个打几个
不好意思啊,我只会前两题,你另寻高人吧
(1)4(x-2)-2(2-x)
原式=4(x-2)+2(x-2)
=(4+2)(x-2)
=6(x-2)
(2)x^2(m-1)^2-4(1-m)^2
原式=(m-1)^2(x^2-4)
=(m-1)^2(x+2)(x-2)
一题 4(x-2)-2(2-x)
=4(x-2)+2(x-2)
=6(x-2)
二题 x^2(m-1)^2-4(1-m)^2
=x^2(m-1)^2-4(m-1)^2
=(x^2-4)(m-1)^2
=(x+2)(x-2)(m-1)^2
4(x-2)-2(2-x) =4(x-2)+2(x-2)
=(x-2)(4+2)
=6(x+2)
x^2(m-1)^2-4(1-m)^2=x^2(m-1)^2-4(m-1)^2
=(m-1)^2(x^2-4)
=(m-1)^2(x+2)(x-2)
-8x^2n+2y^n+2+12x^n+1y^2n+3可能题目错了
纠正楼上第一题(1)4(x-2)+2(x-2)=6(x-2)
其他正解
4(x-2)-2(2-x)
=4x-8-4+2x
=6x-12