Question 813842
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
 {{{x^4 + 3root(2,x) = 10}}}   Let X = x^2
     X^2 + 3X = 10
     X^2 + 3X-10 = 0
  (X+5)(X-2) = 0
  (X+5)= 0 ,  X = -5   | X = x^2 0r  x = {{{sqrt(X)}}} ,  x = {{{i*sqrt(5)}}}
  (X-2)= 0 ,  X = 2   ,  x = {{{sqrt(2)}}}