document.write( "Question 82365: Been trying this for a while.\r
\n" ); document.write( "\n" ); document.write( "Simplify and evaluate.\r
\n" ); document.write( "\n" ); document.write( "(x^7y^-4z^0/5^-2x^3y^-8z^-9)^2 \n" ); document.write( "

Algebra.Com's Answer #59061 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28%28x%5E7y%5E-4z%5E0%29%2F%285%5E-2x%5E3y%5E-8z%5E-9%29%29%5E2\"$
\n" ); document.write( ":
\n" ); document.write( "Any number with a 0 exponent is 1, so we have:
\n" ); document.write( " $\"%28%28x%5E7y%5E-4%29%2F%285%5E-2x%5E3y%5E-8z%5E-9%29%29%5E2\"$
\n" ); document.write( ":
\n" ); document.write( "Combine like terms in the numerator, follow the rules of exponents:
\n" ); document.write( " $\"%285%5E2x%5E%28%287-3%29%29y%5E%28%28-4%2B8%29%29z%5E9%29%5E2\"$
\n" ); document.write( ":
\n" ); document.write( " $\"%2825x%5E4y%5E4z%5E9%29%5E2\"$
\n" ); document.write( ":
\n" ); document.write( "Square each term:
\n" ); document.write( " $\"625%2Ax%5E8y%5E8z%5E18\"$
\n" ); document.write( ":
\n" ); document.write( "I have confidence in the method, however, a lot of chance for error here.
\n" ); document.write( "I advise you to do it yourself to confirm my solution \n" ); document.write( "

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