El profesor se sorprenderá mucho al ver tu solución correcta😉
2 2 (2*x) - x - log(2*x) - tan(x) = 0
x1 = 0.51765754342398 - 0.223679022704349*i
x2 = 1.35139738236613
x3 = 0.517657543423492 + 0.223679022704359*i
x4 = 0.51765754342398 + 0.223679022704349*i
x4 = 0.51765754342398 + 0.223679022704349*i