(x-3)2-3x(x-3)=0

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(x-3)2-3x(x-3)=0(x-3)2-3x(x-3)=0(x-3)2-3x(x-3)=0(x-3)2-3x(x-3)=02x-6-3x·x+9x=0-3x·x+11x-6=03x·x-11x+

(x-3)2-3x(x-3)=0
(x-3)2-3x(x-3)=0

(x-3)2-3x(x-3)=0
(x-3)2-3x(x-3)=0
2x-6-3x·x+9x=0
-3x·x+11x-6=0
3x·x-11x+6=0
(3x-2)(x-3)=0
3x-2=0
x-3=0
x=2/3
x=3