If there is a quadratic trinomial about the letter A, the coefficient of the quadratic term is - 2 / 3 and the constant term is - 5, then the quadratic trinomial is

If there is a quadratic trinomial about the letter A, the coefficient of the quadratic term is - 2 / 3 and the constant term is - 5, then the quadratic trinomial is

-2a^2/3+a-5