El profesor se sorprenderá mucho al ver tu solución correcta😉
/ 2 \ 3 log(x + 1)*(x - 1)*\x + x - 8/ = log(x - 1)*(x + 1)
x1 = 1.9078785884194
x2 = -0.135076397283579 + 0.154211953786072*i
x3 = -4.61434973810675 + 0.403079494660842*i
x3 = -4.61434973810675 + 0.403079494660842*i