El profesor se sorprenderá mucho al ver tu solución correcta😉
2 x + 5.0e-13*x - 8.0e-9 = 0
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(5.00000000000000e-13)^2 - 4 * (1) * (-8.00000000000000e-9) = 3.20000000000000e-8
x1 = (-b + sqrt(D)) / (2*a)
x2 = (-b - sqrt(D)) / (2*a)
suma
-8.94427193499916e-5 + 8.94427188499916e-5
=
-4.99999998002099e-13
producto
-8.94427193499916e-5*8.94427188499916e-5
=
-8.00000000000000e-9
-8.00000000000000e-9
x1 = -8.94427193499916e-5
x2 = 8.94427188499916e-5
x2 = 8.94427188499916e-5
x1 = -8.94427193499916e-5
x2 = 8.94427188499916e-5
x2 = 8.94427188499916e-5