Question 43333
{{{sqrt(x)}}} - 1  = 3
{{{sqrt(x)}}}  = 4
Next, square each side.
x =  16
b,
{{{sqrt(x^3)}}}= 8
= {{{sqrt((x)^2*x)}}}
x{{{sqrt(x)}}} = 8
x^1.5 = 8
x = 8 ^.667  = 4 
x = 4.
Check 4^3 = 64.
{{{sqrt(64)}}} = 8
Cleomenius.