document.write( "Question 544576: please help me to simplify:
\n" ); document.write( "b+3/b^2 * 3b/b^2-9=\r
\n" ); document.write( "\n" ); document.write( "(i simplified to : 3b^2+9b/b^4-9b^2, but my teacher marked it incorrect and said to simplify more) \n" ); document.write( "

Algebra.Com's Answer #355147 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"3b%5E2%2B9b%2Fb%5E4-9b%5E2\"$ u need to add like terms
\n" ); document.write( " $\"highlight%283b%5E2-9b%5E2%29%2B9b%2Fb%5E4\"$ shown here
\n" ); document.write( " $\"-6b%5E2%2B9highlight%28b%5E1%2Fb%5E4%29\"$ cancel a $\"b%5E1\"$ out shown here
\n" ); document.write( " $\"highlight%28-6b%5E2%2B9%2Fb%5E3%29\"$ take out 3 shown below
\n" ); document.write( " $\"3%28-2b%5E2%29%2B3%283%2Fb%5E3%29\"$
\n" ); document.write( " $\"3%28-2b%5E2%2B3%2Fb%5E3%29\"$ \n" ); document.write( "

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