Question

1supra5alaadoua -6pe5alaadoua -5pe6a​

Answer 1

Explicație pas cu pas:

$\frac{1}{5} {a}^{2} - \frac{7}{6} a - \frac{6}{5} {a}^{2} - \frac{5}{6} a$

$\frac{1}{5} {a}^{2} - \frac{6}{5} {a}^{2} - \frac{7}{6} a - \frac{5}{6} a$

$- \frac{5}{5} {a}^{2} - \frac{2}{6} a$

$- {a}^{2} - \frac{1}{3} a$