Question

Решите неравенство a(a-2)-a²>5-3a

Answer 1

$a(a-2)-a^2\ \textgreater \ 5-3a\\\\ a^2-2a-a^2\ \textgreater \ 5-3a\\\\ -2a+3a\ \textgreater \ 5\\\\ a\ \textgreater \ 5$

Ответ: $(5; +\infty)$