Using xn+1=xn2+108\displaystyle x_{n+1} = \frac{x_n^2 + 10}{8}xn+1=8xn2+10 with x0=2x_0 = 2x0=2
Find the values of x1x_1x1, x2 x_2\,x2 and x3x_3x3.