Question 345350
3 square root 16  plus 3 square root 128
<pre>

The other tutor gave you a decimal approximation, but I think
you don't want that, but you want the simplest radical form.

{{{3*sqrt(16)+3sqrt(128)}}}

{{{3*4+3*sqrt(64*2)}}}

{{{12+3*sqrt(64)sqrt(2)}}}

{{{12+3*8*sqrt(2)}}}

{{{12+24sqrt(2)}}}

A better decimal approximation is 45.9411255

Edwin</pre>
</pre>