1) х1 + х2 = 7
х1 * x2 = 12
x1 > 0; x2 >0
2) x1 + x2 = -3
x1 * x2 = 1
x1 < 0; x2 <0
3) x1 + x2 = 4
x1 * x2 = -32
x1 <0; x2>0
4) x1 + x2 = -11
x1 * x2 = -4
x1<0; x2>0
Объяснение:
1) х1 + х2 = 7
х1 * x2 = 12
x1 > 0; x2 >0
2) x1 + x2 = -3
x1 * x2 = 1
x1 < 0; x2 <0
3) x1 + x2 = 4
x1 * x2 = -32
x1 <0; x2>0
4) x1 + x2 = -11
x1 * x2 = -4
x1<0; x2>0
Объяснение: