Вопрос:

Ответ:

\[g(x) = x^{2} - 10x = x(x - 10)\]

\[f(8) = 8 \cdot (8 - 10) = - 16.\]

\[g( - 3) = 9 + 30 = 39.\]

\[g(0) = 0.\]