El profesor se sorprenderá mucho al ver tu solución correcta😉
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-7)^2 - 4 * (2) * (12) = -47
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
____ ____ 7 I*\/ 47 7 I*\/ 47 - - -------- + - + -------- 4 4 4 4
=
7/2
producto
/ ____\ / ____\ |7 I*\/ 47 | |7 I*\/ 47 | |- - --------|*|- + --------| \4 4 / \4 4 /
=
6
6
____ 7 I*\/ 47 x1 = - - -------- 4 4
____ 7 I*\/ 47 x2 = - + -------- 4 4
x2 = 7/4 + sqrt(47)*i/4
x1 = 1.75 + 1.71391365010026*i
x2 = 1.75 - 1.71391365010026*i
x2 = 1.75 - 1.71391365010026*i