👤
Emilboss922
a fost răspuns

vreau rezolvarea acestui exercitiu E(x)=xla puterea a 2 minus 49 supra xla puterea a 2 minus 7x minus 2x +7supra x la a 2 +x

Răspuns :

Iulica1
[tex]E(x)= \frac{ x^{2} -49}{ x^{2} -7x} - \frac{2x+7}{ x^{2} +x} \\ E(x)= \frac{(x-7)(x+7)}{x(x-7)} -\frac{2x+7}{ x(x+1)} \\ E(x)= \frac{x+7}{x} -\frac{2x+7}{ x(x+1)} \\ E(x)=\frac{x(x+7)-2x-7}{x(x+1)}= \frac{ x^{2} +5x-7}{x(x+1)} [/tex]

Alte intrebari