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(x-3)²-2(x-1)!x+1)=5-(x+2)²-2x
(x²-6x+9) -2(x²-1)=5-(x²+4x+x)-2x
x²-6x+9 -2x²+2=5-x²-4x-x-2x
x²-6x-2x²+x²+4x+x+2x=5-9-2
x² się skracają
x= -6