Х² -8х+9=Х²+6х-3
14х=12 х=12/14=6/7
у=36/49+6*6/7-3=12 целых3/7 (6/7; 12ц3/7)
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2х²-14х+12=0
х²-7х+6=0
D=49-24=25
x1=1; x2=6
Имеют.
Х² -8х+9=Х²+6х-3
14х=12 х=12/14=6/7
у=36/49+6*6/7-3=12 целых3/7 (6/7; 12ц3/7)