First post
\frac{2x^2+11x-21}{x^3+2x^2+4x} * \frac{x^3-8}{x^2+5x-14}
\frac{(x+7)(x-\frac{3}{2})}{x(x^2+2x+4)} * \frac{x^3-8}{(x-2)(x+7)}
\frac{(x-\frac{3}{2})}{x(x^2+2x+4)} * \frac{x^3-8}{(x-2)}
Daqui...
Última msg
carcleo ,
FAtore a diferença de cubos
\frac{(x-\frac{3}{2})}{x(x^2+2x+4)} * \frac{x^3-8}{(x-2)}\\
\frac{(x-\frac{3}{2})}{x(x^2+2x+4)} * \frac{x^3-2^3}{(x-2)}=\\...