分解因式 :1.(x^-2x)^-2(x^-2x)-32.(a+1)x^+(a+1)X-6a-63.a^+b^-1-2ab4.(x+Y)^-2(x^-y^)+(x-y)^5.-(a-b)^-(b-a)的三次方
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![分解因式 :1.(x^-2x)^-2(x^-2x)-32.(a+1)x^+(a+1)X-6a-63.a^+b^-1-2ab4.(x+Y)^-2(x^-y^)+(x-y)^5.-(a-b)^-(b-a)的三次方](/uploads/image/z/9441258-42-8.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F+%3A1.%EF%BC%88x%5E-2x%EF%BC%89%5E-2%28x%5E-2x%29-32.%28a%2B1%29x%5E%2B%28a%2B1%29X-6a-63.a%5E%2Bb%5E-1-2ab4.%28x%2BY%29%5E-2%28x%5E-y%5E%29%2B%28x-y%29%5E5.-%EF%BC%88a-b%EF%BC%89%5E-%28b-a%29%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9)
分解因式 :1.(x^-2x)^-2(x^-2x)-32.(a+1)x^+(a+1)X-6a-63.a^+b^-1-2ab4.(x+Y)^-2(x^-y^)+(x-y)^5.-(a-b)^-(b-a)的三次方
分解因式 :1.(x^-2x)^-2(x^-2x)-3
2.(a+1)x^+(a+1)X-6a-6
3.a^+b^-1-2ab
4.(x+Y)^-2(x^-y^)+(x-y)^
5.-(a-b)^-(b-a)的三次方
分解因式 :1.(x^-2x)^-2(x^-2x)-32.(a+1)x^+(a+1)X-6a-63.a^+b^-1-2ab4.(x+Y)^-2(x^-y^)+(x-y)^5.-(a-b)^-(b-a)的三次方
1.(x^-2x)^-2(x^-2x)-3
=(x²-2x-3)(x²-2x+1)
=(x-3)(x+1)(x-1)²
2.(a+1)x^+(a+1)X-6a-6
=x(a+1)(x+1)-6(a+1)
=(a+1)[x(x+1)-6]
=(a+1)(x²+x-6)
=(a+1)(x+3)(x-2)
3.a^+b^-1-2ab
=(a²-2ab+b²)-1
=(a-b)²-1
=(a-b+1)(a-b-1)
4.(x+Y)^-2(x^-y^)+(x-y)^
=(x+y)²-2(x+y)(x-y)+(X-y)²
=[(x+y)-(x-y)]²
=(x+y-x+y)²
=(2y)²
5.-(a-b)^-(b-a)的三次方
=-(b-a)²-(b-a)³
=(b-a)²[-1-(b-a)]
=(b-a)²(a-b-1)
那个小符号啥意思 是平方么
1=x^-2x^+4x-3
=(1-2)x^+4x-3
=-1x^+4x-3