Question 783810
x^(3/2) - 2^(3/4) + 1 = 0
x^(3/2) = 2^(3/4) + 1
x^3 = 2^(3/2) + 2*2^(3/4) + 1
x^3 = 2^(3/2) + 2^(7/4) + 1
x^3 =~ 15.1421356
x =~ 2.47398 (principal value)