Odpowiedź :
[tex]5a^2 - 5a[/tex] a = [tex]-\frac{1}{5}[/tex]
[tex]5 * (-\frac{1}{5})^2 - 5*(-\frac{1}{5}) = 5 * \frac{1}{25} + 1 = \frac{1}{5} + 1= 1\frac{1}{5}[/tex]
[tex]5a^2 - 5a[/tex] a = [tex]-\frac{1}{5}[/tex]
[tex]5 * (-\frac{1}{5})^2 - 5*(-\frac{1}{5}) = 5 * \frac{1}{25} + 1 = \frac{1}{5} + 1= 1\frac{1}{5}[/tex]