1) D = (-7)^2 - 4110 = 49 - 40 = x1 = (7 + √9) / 2 = (7 + 3) / 2 = x2 = (7 - √9) / 2 = (7 - 3) / 2 = 2
2) D = (-10)^2 - 4125 = 100 - 100 = y = 10 / 2 = 5
3) D = 1 - 4(-1)3 = 1 + 12 = 1t1 = (1 + √13) / t2 = (1 - √13) / 2
4) D = 0 - 42(-9) = 0 - (-72) = 7a1 = (0 + √72) / 4 = √18 / 2 = 3√2 / a2 = (0 - √72) / 4 = -3√2 / 2
1) D = (-7)^2 - 4110 = 49 - 40 =
x1 = (7 + √9) / 2 = (7 + 3) / 2 =
x2 = (7 - √9) / 2 = (7 - 3) / 2 = 2
2) D = (-10)^2 - 4125 = 100 - 100 =
y = 10 / 2 = 5
3) D = 1 - 4(-1)3 = 1 + 12 = 1
t1 = (1 + √13) /
t2 = (1 - √13) / 2
4) D = 0 - 42(-9) = 0 - (-72) = 7
a1 = (0 + √72) / 4 = √18 / 2 = 3√2 /
a2 = (0 - √72) / 4 = -3√2 / 2