document.write( "Question 612889: Essay; show all work. Add the following polynomials listed below.\r
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Algebra.Com's Answer #385766 by jim_thompson5910(35256)\"\" \"About 
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(2/3x^2-1/2x-2/3)+(1/2x^2+1/4x-1/2)\r
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\n" ); document.write( "\n" ); document.write( "2/3x^2-1/2x-2/3+1/2x^2+1/4x-1/2\r
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\n" ); document.write( "\n" ); document.write( "(2/3x^2+1/2x^2)+(-1/2x+1/4x)+(-2/3-1/2)\r
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\n" ); document.write( "\n" ); document.write( "7/6x^2-1/4x-7/6\r
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\n" ); document.write( "\n" ); document.write( "So the expression simplifies to 7/6x^2-1/4x-7/6
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