Question 897213
What is the simplified expression of 
         (4 times the square root of 10 — the square root of 90)
               ----------------------------------------------------------------
                           (Over the square root of 2)
<pre>
{{{(4sqrt(10) - sqrt(90))/sqrt(2)}}}
{{{(4sqrt(10) - sqrt(3^2 * 10))/sqrt(2)}}}
{{{(4sqrt(10) - 3sqrt(10))/sqrt(2)}}}
{{{sqrt(10)/sqrt(2)}}}______{{{sqrt(10/2)}}}______{{{highlight_green(highlight_green(sqrt(5)))}}}
You can do the check!! 

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