(3-x)^2=x-3
(x-3)(x-3)=x-3
(x-3)(x-3-1)=0
x1=3
x2=4
(x-3)2-(x-3)=0
(x-3)(x-3-1)=0
(x-3)(x-4)=0
x=3,x=4
(3-x)2=x-3
9-6x+x^2-x+3=0
x^2-7x+12=0
(x-3)(x-4)=0
x=3
x=4
(3-x)2=x-3
=>(x-3)^2-(x-3)=0
=>(x-3)(x-4)=0
=>x=3或x=4
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