Question 475807
  <pre><font face = "Tohoma" size = 4 color = "indigo"><b> 
Hi,
{{{sqrt(90x^18)/sqrt(2x)}}} 
 {{{sqrt(90x^18)sqrt(2x)/2x}}} 
 {{{sqrt(180*(x^18)x)/2x = sqrt(36*5(x^18)*x)/2x = (6x^9sqrt(5x))/2x = 3x^8sqrt(5x)}}}