El profesor se sorprenderá mucho al ver tu solución correcta😉
/ 2 \ / ___\ \2*x - 7*x - 15/*\2*sin(x) - \/ x / = 0
x1 = -81.6681802571196 + 2.21353300023772*i
x2 = 2.28476139001907
x3 = -18.8129856221372 - 1.51797506674175*i
x4 = -25.1022547901857 - 1.65005890112809*i
x5 = -1.5
x6 = 70.6704349327542 - 2.11479060512001*i
x7 = -25.1022547901857 + 1.65005890112809*i
x8 = 0.255512327649307
x9 = 5.0
x10 = -6.21773026606356 + 1.05000159951907*i
x11 = 0.0
x12 = -12.5200057635 + 1.33754849167708*i
x13 = -43.9614666321734 + 1.9140992694627*i
x14 = -56.5312813006703 + 2.03493718330023*i
x15 = -12.5200057635 - 1.33754849167708*i
x16 = -18.8129856221372 + 1.51797506674175*i
x17 = -6.21773026606356 - 1.05000159951907*i
x18 = -94.2359152614181 + 2.28348812353515*i
x19 = -37.6759037040281 + 1.84059358896674*i
x20 = -75.3841726311077 + 2.17450514302058*i
x21 = -1.49999999999999 - 1.55841096735651e-14*i
x22 = -31.3896325491386 + 1.75436657127288*i
x23 = -100.519673647385 + 2.31510730766762*i
x24 = -50.246546613592 + 1.97816254143804*i
x25 = -87.9520886436119 + 2.2497332308862*i
x25 = -87.9520886436119 + 2.2497332308862*i