Question

fatoracao de 2r/5+r^2/10

Answer 1

$\frac{2r}{5} + \frac{r^{2}}{10} = \frac{4.r+r^{2}}{10} = \frac{r(r+4)}{10}$.

Answer 2

Boa tarde Calculadora

2r/5 + r²/10 = 

4r/10 + r²/10 = (4r + r²)/10 = r*(r + 4)/10