Which statement regarding polynomials and their zerus is true?(1) f(x) = (1-2 – 1)(x + a) has zeros of land –a, only.(2) f(x) = 13 – ax2 + 161 – 160 has zeros of 4 and a, only.(3) f(x) = (x2 + 25)(x + a) has zeros of 5 and –a.(4) f(x) = 13 – ax? – 9x + 9a has zeros oſ +3 and a.--