(5x+2)(x-2)-(x-1)(x+1)=4x-3
(х-2)(5х+2)-(х-1)(х+1)=4х-3 4х²-8х-3=4х-3 4х²-12х=0 4х(х-3)=0 х(х-3)=0 х-3=0 х=0
(х-2)(5х+2)-(х-1)(х+1)=4х-3 5х^2+2x-10x-4-x^2+1=4x-3 4х²-8х-3=4х-3 4х²-12х=0 4х(х-3)=0 х(х-3)=0 х-3=0 х=0