El profesor se sorprenderá mucho al ver tu solución correcta😉
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(262)^2 - 4 * (7) * (1905) = 15304
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
______ ______ 131 \/ 3826 131 \/ 3826 - --- - -------- + - --- + -------- 7 7 7 7
=
-262/7
producto
/ ______\ / ______\ | 131 \/ 3826 | | 131 \/ 3826 | |- --- - --------|*|- --- + --------| \ 7 7 / \ 7 7 /
=
1905/7
1905/7
______ 131 \/ 3826 x1 = - --- - -------- 7 7
______ 131 \/ 3826 x2 = - --- + -------- 7 7
x2 = -131/7 + sqrt(3826)/7