Найти наибольшее и наименьшее значение функции F(x)=〖12x〗^2-〖9x〗^3+5 при условии x∈[-2;5].

this is a very easy task, you'd better solve it yourself, believe me, it's very easy, but please do not throw a complaint at me, because I'm only in the 7th grade and I also need to ask questions.