rozwiąż równanie: ||x|-3|=x-1
||x|-3|=x-1x+3=x-1(x+3)/(x-1)=0(x+3)*(1/(x-1)=0 /*(x-1)
(x+3)(x-1)*1=0
x^2-x+3x-3=0
x^2+2x-3=0
delta=4+12=16
x1=-3
x2=1
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||x|-3|=x-1
x+3=x-1
(x+3)/(x-1)=0
(x+3)*(1/(x-1)=0 /*(x-1)
(x+3)(x-1)*1=0
x^2-x+3x-3=0
x^2+2x-3=0
delta=4+12=16
x1=-3
x2=1