For a binomial trinomial expression containing only the letter A, the coefficients of its quadratic and primary terms are - 1. If the constant term is 2, what is the binomial trinomial expression?

For a binomial trinomial expression containing only the letter A, the coefficients of its quadratic and primary terms are - 1. If the constant term is 2, what is the binomial trinomial expression?

-a^2-a+2