(x^2+x)^2+x^2+x-2=0

x^2 + x gt;= 0

(x^2 + x)^2 + x^2 + x - 2 = 0

x^2 + x + (x^2 + x)^2 - 2 = 0

x1 = 1/2 + 5/2

x2 = - 1/2 - 7i/2

x^2 + x lt; 0

-1 lt; x ^ x lt; 0

-x^2 - x + (x^2 + x)^2 - 2 = 0

x5 = -2

x6 = 1

x7 = -1/2 - 3i/2

x8 = -1/2 + 3i/2

x1 = - 1/2 + 5/2

x2 = - 5/2 + 1/2

x1 = -1.61803398875

x2 = 0.61803398875