(1+2x5-4/2)x(9-2x4)=
Ich deute diesen Term so:
(1 + 2x^5 - 4/2) * (9 - 2x^4) ist das o.k.?
= (2x^5 -1) * (9 - 2x^4)
= 18x^5 - 4x^9 - 9 + 2x^4
= - 4x^9 + 18x^5 + 2x^4 - 9
Danke radix, du hast natürlich recht. :- )
$$\left({\mathtt{1}}{\mathtt{\,\small\textbf+\,}}{\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{5}}{\mathtt{\,-\,}}{\frac{{\mathtt{4}}}{{\mathtt{2}}}}\right){\mathtt{\,\times\,}}\left({\mathtt{9}}{\mathtt{\,-\,}}{\mathtt{2}}{\mathtt{\,\times\,}}{\mathtt{4}}\right) = {\mathtt{9}}$$