\[y = (x - 3)^{5}(2 + 5x)^{6};\]
\[5(x - 3)^{4}(2 + 5x)^{5} \bullet (11x - 16) = 0\]
\[x_{1} = - \frac{2}{5};x_{2} = \frac{16}{11};x_{3} = 3.\]
\[Ответ:\ - \frac{2}{5};\ \frac{16}{11};\ 3.\]