4х^2+17х+4=0
D=17^2-4*4*4=289-64=225
D=√225=15
х1=-17+15/8=2/8=1/4=0,25
х2=-17-15/8=-32/8=-4
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4х^2+17х+4=0
D=17^2-4*4*4=289-64=225
D=√225=15
х1=-17+15/8=2/8=1/4=0,25
х2=-17-15/8=-32/8=-4