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2+(x+2)=3(x-1) 2-x+2=3(x-1) 2-(x+2)=3(1-x) 2-(x+2)=3(x-1)
x1=1,x2=0 x1=1,x2=2 x1=2,x2=-1 无解
(x+1)(x+2)=0 (x+1)(x-2)=0 (x-1)(x-2)=0 (x-1)(x+2)=0
-(1/2)e-2x+x+1/2 (1/2)e-2x+x-1/2 ce-2x+x-1/2 ce-2x+x+1/2
(x-1)2=2 (x-1)2=4 (x-1)2=1 (x-1)2=7
(x-1)2=m2+1 (x-1)2=m-1 (x-1)2=1-m (x-1)2=m+1
(x-1)2=2 (x-1)2=4 (x-1)2=1 (x-1)2=7
2+(x+2)=3(x-1) 2-x+2=3(x-1) 2-(x+2)=3(1-x) 2-(x+2)=3(x-1)
(x-1)2=2 (x-1)2=4 (x-1)2=1 (x-1)2=7
2+(x+2)=3(x-1) 2-x+2=3(x-1) 2-(x+2)=3(1- x) 2-(x+2)=3(x-1)
(x-1)2=2 (x-1)2=4 (x-1)2=1 (x-1)2=7
2+(x+2)=3(x-1) 2-x+2=3(x-1) 2-(x+2)=3 2-(x+2)=3(x-1)