document.write( "Question 150231: Can you help me solve this problem?\r
\n" ); document.write( "\n" ); document.write( "Add.
\n" ); document.write( "(3r^4-2r^3+2r^2+10r-4)+(r^5+9r^3+5r^2-2r-2)+(-6r^4+r^2-6r-9)\r
\n" ); document.write( "\n" ); document.write( "I would really appreciate an explanation on how to solve this problem. Thank you so much for your help once again.
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Algebra.Com's Answer #110233 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"3r%5E4-2r%5E3%2B2r%5E2%2B10r-4%2Br%5E5%2B9r%5E3%2B5r%5E2-2r-2-6r%5E4%2Br%5E2-6r-9\" Remove the parenthesis.\r
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\n" ); document.write( "\n" ); document.write( " Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"r%5E5-3r%5E4%2B7r%5E3%2B8r%5E2%2B2r-15\" Combine like terms\r
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\n" ); document.write( "\n" ); document.write( "So
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