2t² = 32

t² = 16

t1 = - 4;

y²=25 -t² = 25 -16 = 9;

y1= -3;

y2 = 3

t2 = 4;

y²=25 -t² = 25 -16 = 9;

y3= -3;

y4 = 3

ответ

t = - 4; y= -3;

t = - 4; y = 3

t = 4; y= -3;

t = 4; y = 3