(x-6)kwadrat +53=61-x
(x-6)^2+53=61-x
x^2-12x+36+53=61-x
x^2-11x+28=0
delta=121-4*1*28=121-112=9
pierw z delta=3
x1=11-3/2=8/2=4
x2=11+3/2=14/2=7
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(x-6)^2+53=61-x
x^2-12x+36+53=61-x
x^2-11x+28=0
delta=121-4*1*28=121-112=9
pierw z delta=3
x1=11-3/2=8/2=4
x2=11+3/2=14/2=7