a ^ 2 y + a ^ 3 при a = - 1.5 и y = - 8.5

(-1.5)^2 * -8.5 + (-1.5)^3 = 2.25 * -8.5 + (-1.5 * -1.5 * -1.5) = -19.125 + (-3.375) = -22.5