The teacher will be very surprised to see your correct solution 😉
x - sin(x) ---------- = 0 x + 3
x1 = 0.000280483244896209
x2 = 9.48438373327649e-5
x3 = 0.000276549794498888
x4 = 0.000274390379407708
x5 = 0.000107444674263259
x6 = 0.0