document.write( "Question 1006922: Simplify answer and check by raising it back to the 4th power. Please show work.\r
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\n" ); document.write( "\n" ); document.write( " $\"+sqrt%28+81x%5E4y%5E16z%5E28+%29+\"$ \n" ); document.write( "

Algebra.Com's Answer #622953 by fractalier(6550) $\"\"$ $\"About$

You can put this solution on YOUR website!
The fourth root of
\n" ); document.write( " $\"+sqrt%28+81x%5E4y%5E16z%5E28+%29+\"$ = +/- $\"+3xy%5E4z%5E7\"$
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\n" ); document.write( " $\"%28+3xy%5E4z%5E7%29%5E4\"$ = $\"81x%5E4y%5E16z%5E28\"$ \n" ); document.write( "

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