El profesor se sorprenderá mucho al ver tu solución correcta😉
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-2)^2 - 4 * (-14) * (-10) = -556
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
_____ 1 I*\/ 139 x1 = - -- - --------- 14 14
_____ 1 I*\/ 139 x2 = - -- + --------- 14 14
x2 = -1/14 + sqrt(139)*i/14
suma
_____ _____ 1 I*\/ 139 1 I*\/ 139 - -- - --------- + - -- + --------- 14 14 14 14
=
-1/7
producto
/ _____\ / _____\ | 1 I*\/ 139 | | 1 I*\/ 139 | |- -- - ---------|*|- -- + ---------| \ 14 14 / \ 14 14 /
=
5/7
5/7
x1 = -0.0714285714285714 + 0.842130437325114*i
x2 = -0.0714285714285714 - 0.842130437325114*i
x2 = -0.0714285714285714 - 0.842130437325114*i