2x+y²=25;
x*(y+3)=0;
x=25/2-1/2×y²;
x×(y+3)=0;
(25/2-1/2×y²)×(y+3)=0;
y=-5;
y=5;
y=-3;
x=25/2-1/2×(-5)²;
x=25/2-1/2×5²;
x=25/2-1/2×(-3)²;
x=0;
x=8;
(x1,y1)=(0,-5);
(x2,y2)=(0,5);
(x3,y3)=(8,-3);
0×2+(-5)²=25;
0×(-5+3)=0;
0×2+5²=25;
0×(5+3)=0;
8×2+(-3)²=25;
8×(-3+3)=0;
25=25;
0=0;
25/2 -это дробь
2x+y²=25;
x*(y+3)=0;
x=25/2-1/2×y²;
x×(y+3)=0;
(25/2-1/2×y²)×(y+3)=0;
y=-5;
y=5;
y=-3;
x=25/2-1/2×(-5)²;
x=25/2-1/2×5²;
x=25/2-1/2×(-3)²;
x=0;
x=0;
x=8;
(x1,y1)=(0,-5);
(x2,y2)=(0,5);
(x3,y3)=(8,-3);
0×2+(-5)²=25;
0×(-5+3)=0;
0×2+5²=25;
0×(5+3)=0;
8×2+(-3)²=25;
8×(-3+3)=0;
25=25;
0=0;
25=25;
0=0;
25=25;
0=0;
(x1,y1)=(0,-5);
(x2,y2)=(0,5);
(x3,y3)=(8,-3);
25/2 -это дробь