document.write( "Question 696858: Please help me divide these and put the answers in simplest form:\r
\n" ); document.write( "\n" ); document.write( "1.) $\"%289x%5E2y%29%2F%285%29\"$ ÷ $\"%283xy%5E2%29%2F%2820%29\"$ \r
\n" ); document.write( "\n" ); document.write( "2.) $\"%2821%29%2F%28a%2B6%29\"$ ÷ $\"%2814%29%2F%28a%5E2-36%29\"$ \r
\n" ); document.write( "\n" ); document.write( "3.) $\"%28n%5E4-4n%5E3%2Bn-4%29%2F%28n-4%29\"$ \r
\n" ); document.write( "\n" ); document.write( "4.) $\"%286a%5E3%2B19a%5E2%2B8a-5%29%2F%283a-1%29\"$ \r
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Algebra.Com's Answer #429430 by mathbird(71) $\"\"$ $\"About$

You can put this solution on YOUR website!
1)9x^2y/5÷3xy^2/20
\n" ); document.write( " 9x^2y/5* 20/3xy^2
\n" ); document.write( " 12x/y
\n" ); document.write( "2)21/a+6 ÷ 14/a^2-36
\n" ); document.write( "a^2-36=(a+6)(a-6)
\n" ); document.write( " 21/a+6 * (a-6)(a+6)/14
\n" ); document.write( " 3(a-6)/2
\n" ); document.write( "3) $\"%28n%5E4-4n%5E3%2Bn-4%29%2F%28n-4%29\"$
\n" ); document.write( " {n^3(n-4)+1(n-4)}/(n-4)
\n" ); document.write( " {(n^3+1)(n-4)}/(n-4)
\n" ); document.write( " n^3+1
\n" ); document.write( "4) $\"%286a%5E3%2B19a%5E2%2B8a-5%29%2F%283a-1%29\"$
\n" ); document.write( "
\n" ); document.write( " 2a^2+7a+5
\n" ); document.write( "3a-1√(6a^3+19a^2+8a-5)
\n" ); document.write( " ą6a^3 ∓2a^2
\n" ); document.write( " ___________________
\n" ); document.write( " 21a^2+8a
\n" ); document.write( " ą21a^2∓7a
\n" ); document.write( " _________________________
\n" ); document.write( " 15a-5
\n" ); document.write( " ą15a∓5
\n" ); document.write( " ____________________________
\n" ); document.write( " 0
\n" ); document.write( "hence ans is 2a^2+7a+5
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