document.write( "Question 114723: Combine like terms.
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Algebra.Com's Answer #83608 by jim_thompson5910(35256)\"\" \"About 
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\"2a%5E2%2B7a%2B5%2B3a%5E2%2B7a-1\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"%282a%5E2%2B3a%5E2%29%2B%287a%2B7a%29%2B%285-1%29\" Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"5a%5E2%2B14a%2B4\" Combine like terms
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