(1 point) Use Newton's method to estimate the two zeros of the function f(x) = x² + x − 9. Start with x0 = -1 for the zero on the left and with x0 = 1 for the zero on the right. Then, in each case, find x1, x2, and x3. If xo x₁ = x2 = x3 = == -1: If x0 = 1: X1 || x2 = x3 =