х(1)= (6-1)/12=5.9 = -6.
х(2)=(6+1)/12= 6.
5x^2-6x+1=5(x-6)(x+6)=-6*6 = 36.
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D=25-4*6=1.
х(1)= (6-1)/12=5.9 = -6.
х(2)=(6+1)/12= 6.
5x^2-6x+1=5(x-6)(x+6)=-6*6 = 36.