Die Gleichung hat vier Lösungen für \(a\), unter anderem
$$a=-{{\sqrt{-{{6759481038000}\over{5329\,\sqrt{{{47961\,\left({{ 40000000\,\sqrt{-124485440000000000\,x^3+28214069016347000000\,x^2- 3283489422869846989200\,x+172296756721839895191011}}\over{389017\,3 ^{{{3}\over{2}}}}}+{{{{2021600\,\left(58400000000\,x-4584206800000 \right)}\over{389017}}-{{3\,\left(81827120000000000\,x- 8467615757200000000\right)}\over{389017}}}\over{6}}+{{ 8262009437696000000}\over{10503459}}\right)^{{{2}\over{3}}}- 477824700\,\left({{40000000\,\sqrt{-124485440000000000\,x^3+ 28214069016347000000\,x^2-3283489422869846989200\,x+ 172296756721839895191011}}\over{389017\,3^{{{3}\over{2}}}}}+{{{{ 2021600\,\left(58400000000\,x-4584206800000\right)}\over{389017}}-{{ 3\,\left(81827120000000000\,x-8467615757200000000\right)}\over{ 389017}}}\over{6}}+{{8262009437696000000}\over{10503459}}\right)^{{{ 1}\over{3}}}+175200000000\,x-9665753840000}\over{\left({{40000000\, \sqrt{-124485440000000000\,x^3+28214069016347000000\,x^2- 3283489422869846989200\,x+172296756721839895191011}}\over{389017\,3 ^{{{3}\over{2}}}}}+{{{{2021600\,\left(58400000000\,x-4584206800000 \right)}\over{389017}}-{{3\,\left(81827120000000000\,x- 8467615757200000000\right)}\over{389017}}}\over{6}}+{{ 8262009437696000000}\over{10503459}}\right)^{{{1}\over{3}}}}}}}}- \left({{40000000\,\sqrt{-124485440000000000\,x^3+ 28214069016347000000\,x^2-3283489422869846989200\,x+ 172296756721839895191011}}\over{389017\,3^{{{3}\over{2}}}}}+{{{{ 2021600\,\left(58400000000\,x-4584206800000\right)}\over{389017}}-{{ 3\,\left(81827120000000000\,x-8467615757200000000\right)}\over{ 389017}}}\over{6}}+{{8262009437696000000}\over{10503459}}\right)^{{{ 1}\over{3}}}+{{-{{58400000000\,x-4584206800000}\over{15987}}-{{ 4086866560000}\over{47961}}}\over{\left({{40000000\,\sqrt{- 124485440000000000\,x^3+28214069016347000000\,x^2- 3283489422869846989200\,x+172296756721839895191011}}\over{389017\,3 ^{{{3}\over{2}}}}}+{{{{2021600\,\left(58400000000\,x-4584206800000 \right)}\over{389017}}-{{3\,\left(81827120000000000\,x- 8467615757200000000\right)}\over{389017}}}\over{6}}+{{ 8262009437696000000}\over{10503459}}\right)^{{{1}\over{3}}}}}-{{ 318549800}\over{15987}}}}\over{2}}-{{\sqrt{{{47961\,\left({{40000000 \,\sqrt{-124485440000000000\,x^3+28214069016347000000\,x^2- 3283489422869846989200\,x+172296756721839895191011}}\over{389017\,3 ^{{{3}\over{2}}}}}+{{{{2021600\,\left(58400000000\,x-4584206800000 \right)}\over{389017}}-{{3\,\left(81827120000000000\,x- 8467615757200000000\right)}\over{389017}}}\over{6}}+{{ 8262009437696000000}\over{10503459}}\right)^{{{2}\over{3}}}- 477824700\,\left({{40000000\,\sqrt{-124485440000000000\,x^3+ 28214069016347000000\,x^2-3283489422869846989200\,x+ 172296756721839895191011}}\over{389017\,3^{{{3}\over{2}}}}}+{{{{ 2021600\,\left(58400000000\,x-4584206800000\right)}\over{389017}}-{{ 3\,\left(81827120000000000\,x-8467615757200000000\right)}\over{ 389017}}}\over{6}}+{{8262009437696000000}\over{10503459}}\right)^{{{ 1}\over{3}}}+175200000000\,x-9665753840000}\over{\left({{40000000\, \sqrt{-124485440000000000\,x^3+28214069016347000000\,x^2- 3283489422869846989200\,x+172296756721839895191011}}\over{389017\,3 ^{{{3}\over{2}}}}}+{{{{2021600\,\left(58400000000\,x-4584206800000 \right)}\over{389017}}-{{3\,\left(81827120000000000\,x- 8467615757200000000\right)}\over{389017}}}\over{6}}+{{ 8262009437696000000}\over{10503459}}\right)^{{{1}\over{3}}}}}} }\over{438}}+{{3365}\over{73}}$$
Die anderen drei sind nicht weniger furchteinflösend.