1) 3 и 5

2) -2 и 1

3) - дробь 1,4 и 3

4) -0,3 и -10

x1 + x2 = -p

x1 * x2 = q

1) 3 + 5 = 8 = -p => p = -8

  3 * 5 = 15 = q

2) -2 + 1 = - 1 = -p => p = 1

   -2 * 1 = -2 = q

3) -1.4 * 3 = 1.6 = -q => q = -1.6

   -1.4 * 3 = 4.2 = q

4) -0.3 + -10 = -10.3 = -q => q = 10.3

   -0.3 * -10 = 3 = q