х=6+у
(6+у)²-6у(6+у)+9у²=16
36+12у+у²-36у-6у²+9у²=16
4у²-24у+20=0
у²-6у+5=0
D=36-20=16
y1=5 y2=1
x1=11 x2=7
(11;5) (7:1)
х=6+у
(6+у)²-6у(6+у)+9у²=16
36+12у+у²-36у-6у²+9у²=16
4у²-24у+20=0
у²-6у+5=0
D=36-20=16
y1=5 y2=1
x1=11 x2=7
(11;5) (7:1)