El profesor se sorprenderá mucho al ver tu solución correcta😉
2 I*x + (3 + 2*I)*x - 6 = 0
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(3 + 2*i)^2 - 4 * (i) * (-6) = (3 + 2*i)^2 + 24*i
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
/ 4 ______ /atan(36/5)\\ 4 ______ /atan(36/5)\ | \/ 1321 *cos|----------|| \/ 1321 *sin|----------| |3 \ 2 /| \ 2 / x1 = -1 + I*|- + ------------------------| - ------------------------ \2 2 / 2
/ 4 ______ /atan(36/5)\\ 4 ______ /atan(36/5)\ | \/ 1321 *cos|----------|| \/ 1321 *sin|----------| |3 \ 2 /| \ 2 / x2 = -1 + I*|- - ------------------------| + ------------------------ \2 2 / 2
x2 = -1 + 1321^(1/4)*sin(atan(36/5)/2)/2 + i*(-1321^(1/4)*cos(atan(36/5)/2)/2 + 3/2)
suma
/ 4 ______ /atan(36/5)\\ 4 ______ /atan(36/5)\ / 4 ______ /atan(36/5)\\ 4 ______ /atan(36/5)\ | \/ 1321 *cos|----------|| \/ 1321 *sin|----------| | \/ 1321 *cos|----------|| \/ 1321 *sin|----------| |3 \ 2 /| \ 2 / |3 \ 2 /| \ 2 / -1 + I*|- + ------------------------| - ------------------------ + -1 + I*|- - ------------------------| + ------------------------ \2 2 / 2 \2 2 / 2
=
/ 4 ______ /atan(36/5)\\ / 4 ______ /atan(36/5)\\ | \/ 1321 *cos|----------|| | \/ 1321 *cos|----------|| |3 \ 2 /| |3 \ 2 /| -2 + I*|- + ------------------------| + I*|- - ------------------------| \2 2 / \2 2 /
producto
/ / 4 ______ /atan(36/5)\\ 4 ______ /atan(36/5)\\ / / 4 ______ /atan(36/5)\\ 4 ______ /atan(36/5)\\ | | \/ 1321 *cos|----------|| \/ 1321 *sin|----------|| | | \/ 1321 *cos|----------|| \/ 1321 *sin|----------|| | |3 \ 2 /| \ 2 /| | |3 \ 2 /| \ 2 /| |-1 + I*|- + ------------------------| - ------------------------|*|-1 + I*|- - ------------------------| + ------------------------| \ \2 2 / 2 / \ \2 2 / 2 /
=
6*I
6*i
x1 = 0.979443220036019 - 0.773366547951861*i
x2 = -2.97944322003602 + 3.77336654795186*i
x2 = -2.97944322003602 + 3.77336654795186*i