Algebraische Gleichung/x^4+3x^3-5x^2+2x-7/Eliminiere b3/Aufgabe

Forme die Gleichung

{}x^{4}+3x^{3}-5x^{2}+2x-7=0\,

in eine äquivalente Gleichung der Form

{}y^{4}+b_{2}y^{2}+b_{1}y+b_{0}=0\,

mit

{}b_{i}\in \mathbb {Q}

um.

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