Ответ:
5x — 3y = 17x^2 + y^2 = 17y = (5x-17)/3x^2 + y^2 = 17y = (5x-17)/3x^2 + ((5x-17)/3)^2=17y = (5x-17)/39* x^2 + (5x-17)^2=17*9y = (5x-17)/39x^2 + 25x^2 — 170x + 289 = 153y = (5x-17)/334x^2-170x+146=0y = (5x-17)/3x^2-5x+4=0y = (5x-17)/3 или y = (5x-17)/3x=1 x=4y=-4 или y=1x=1 x=4Ответ: (1; -4) и (4;1)