2 1 x + x + - 8
x^2 + x + 1/8
/ ___\ / ___\ | 1 \/ 2 | | 1 \/ 2 | |x + - + -----|*|x + - - -----| \ 2 4 / \ 2 4 /
(x + 1/2 + sqrt(2)/4)*(x + 1/2 - sqrt(2)/4)
1 2 - + x + x 8
1/8 + x + x^2
0.125 + x + x^2
1 + 8*x*(1 + x) --------------- 8
(1 + 8*x*(1 + x))/8
2 1 + 8*x + 8*x -------------- 8
(1 + 8*x + 8*x^2)/8