El profesor se sorprenderá mucho al ver tu solución correcta😉
Dividamos ambos miembros de la ecuación en 5
-3*atan(7/5) x1 = ------------ 2
x1 = -3*atan(7/5)/2
suma
-3*atan(7/5) ------------ 2
=
-3*atan(7/5) ------------ 2
producto
-3*atan(7/5) ------------ 2
=
-3*atan(7/5) ------------ 2
-3*atan(7/5)/2
x1 = 50.4104585230135
x2 = -76.8240439473732
x3 = 7.99895769955127
x4 = 26.84851362109
x5 = 69.2600144445522
x6 = 73.9724034249369
x7 = -95.6735998689119
x8 = -34.4125431239109
x9 = -39.1249321042956
x10 = 36.2732915818594
x11 = -10.8505982219875
x12 = -86.2488219081425
x13 = -1.42582026121811
x14 = 45.6980695426288
x15 = -57.9744880258344
x16 = 55.1228475033982
x17 = -24.9877651631416
x18 = -100.385988849297
x19 = -48.549710065065
x20 = 17.4237356603206
x21 = 88.109570366091
x22 = -53.2620990454497
x23 = -29.7001541435263
x24 = 83.3971813857063
x25 = 78.6847924053216
x26 = 31.5609026014747
x27 = 64.5476254641675
x28 = -67.3992659866038
x29 = -90.9612108885272
x30 = 92.8219593464757
x31 = 59.8352364837829
x32 = 3.28656871916658
x33 = -6.1382092416028
x34 = -72.1116549669885
x35 = -20.2753761827569
x36 = -43.8373210846803
x37 = -62.6868770062191
x38 = -81.5364329277578
x39 = 12.711346679936
x40 = 40.9856805622441
x41 = 97.5343483268604
x42 = 22.1361246407053
x43 = -15.5629872023722
x43 = -15.5629872023722