Найду корень уравнения: -x - 1/x = 2
a*x^2 + b*x + c = 0
D = b^2 - 4 * a * c =
(-2)^2 - 4 * (-1) * (-1) = 0
x = -b/2a = --2/2/(-1)
x1 = -1.0000004968451
x2 = -1.00000046465983
x3 = -1.00000046440039
x4 = -1.00000045428219
x5 = -1.00000044465608
x6 = -1.00000043334582
x7 = -1.00000047807802
x8 = -1.00000047662458
x9 = -1.00000044130932
x10 = -1.00000046510009
x11 = -1.00000046384623
x12 = -1.00000046580768
x13 = -1.00000047537765
x14 = -1.00000046543427
x15 = -1.00000045359668
x16 = -1.00000045230545
x17 = -1.00000038049708
x18 = -1.00000047176955
x19 = -1.00000046787411
x20 = -1.00000045332238
x21 = -1.00000033953471
x22 = -1.00000046479926
x23 = -1.00000047334917
x24 = -1.00000020810038
x25 = -1.00000046670348
x26 = -1.00000046561565
x27 = -1.00000044905837
x28 = -1.00000046860528
x29 = -1.00000045188152
x30 = -1.00000042591237
x31 = -1.00000046996222
x32 = -1.00000045447407
x33 = -1.00000044810116
x34 = -1.00000049150707
x35 = -1.00000045113569
x36 = -1.00000045285523
x37 = -1.00000047110395
x38 = -1.00000046645791
x39 = -1.00000047050465
x40 = -1.00000046494582
x41 = -1.00000047429614
x42 = -1.00000044258517
x43 = -1.00000040054183
x44 = -1.00000048749101
x45 = -1.00000045372424
x46 = -1.00000047979389
x47 = -1.00000043981944
x48 = -1.00000047251311
x49 = -1.00000044986195
x50 = -1.00000045164899
x51 = -1.00000045054613
x52 = -1.00000045085147
x53 = -1.00000045438009
x54 = -1.00000045407359
x55 = -1.00000045317467
x56 = -1.00000045209992
x57 = -1.00000046394764
x58 = -1.00000046754903
x59 = -1.00000046946893
x60 = -1.00000045346288
x61 = -1.00000046365555
x62 = -1.00000042031247
x63 = -1.00000048185033
x64 = -1.00000046696594
x65 = -1.00000046601132
x66 = -1.0000004524992
x67 = -1.00000044369002
x68 = -1.00000043593868
x69 = -1.00000041243641
x70 = -1.0000004672471
x71 = -1.00000046405346
x72 = -1.00000046822511
x73 = -1.00000046901839
x74 = -1.00000043805672
x75 = -1.00000056964873
x76 = -1.00000044694161
x77 = -1.00000045384599
x78 = -1.0000004642795
x79 = -1.00000045418011
x80 = -1.00000053368831
x81 = -1.00000044755049
x82 = -1.00000050428653
x83 = -1.00000044550796
x84 = -1.0000004486016
x85 = -1.00000046416397
x86 = -1.00000045021723
x87 = -1.00000045301916
x88 = -1.00000046526267
x89 = -1.00000046374895
x90 = -1.00000045396232
x91 = -1.00000051537983
x92 = -1.00000044626478
x93 = -1.00000048435993
x94 = -1.00000046622766
x95 = -1.00000044947695
x96 = -1.00000067261948
x97 = -1.00000043009831
x98 = -1.00000045140092
x99 = -1.00000046452702
x100 = -1.00000045268217