По т. Вієта:
x^2+px+q = 0, a=1
x1+x2 = −p
x1*x2 = q
1) x1 = 1, x2 = −4
2) x1 = 8, x2 = −2
3) x1 = 3, x2 = −10
4) x1 = 2, x2 = 8
5) x1 = 1, x2 = 11
6) x1 = 1, x2 = 8
7) x1 = 3, x2 = -4
8) x1 = 2, x2 = 13
По т. Вієта:
x^2+px+q = 0, a=1
x1+x2 = −p
x1*x2 = q
1) x1 = 1, x2 = −4
2) x1 = 8, x2 = −2
3) x1 = 3, x2 = −10
4) x1 = 2, x2 = 8
5) x1 = 1, x2 = 11
6) x1 = 1, x2 = 8
7) x1 = 3, x2 = -4
8) x1 = 2, x2 = 13