(x-1)平方-3(x-1)-10=0
(x+1)\u7684\u5e73\u65b9-3(x+1)+2=0(x+1)^2-3(x+1)+2=0
x^2+2x+1-3x-3+2=0
x^2-x=0
x(x-1)=0
x1=0 x2=1
(X-1)^2=-3\uff0c
\u5728\u5b9e\u6570\u8303\u56f4\u5185\u65e0\u89e3\uff0c
\u5728\u590d\u6570\u8303\u56f4\u5185\uff1a
X-1=\u00b1\u221a3i\uff0c
X1=1+\u221a3i\uff0cX2=1-\u221a3i\u3002
将x-1看做一项
分解因式：
[(x-1)-5][(x-1)+2]=0
则x-1=5或-2
x=6或-1
(x-1)平方-3(x-1)-10=0
(x-1-5)(x-1+2)=0
x=6或者x=-1
无解
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