construct/rlve polynomial interpolation

construct/rlve polynomial interpolation: a task in MathConstructOptimize-Envs-harbor (Harbor dataset). A polynomial f(x) = a 0 + a 1 x + ... + a 2 x^2 of degree 2 with integer coefficients satisfies f(-1) = 5 f(-2) = 15 f(0) = 5