document.write( "Question 549794: Add \r
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Algebra.Com's Answer #358068 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
(x^2+2x-3)+(3x^3+6x^2+9x-5)\r
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\n" ); document.write( "\n" ); document.write( "x^2+2x-3+3x^3+6x^2+9x-5\r
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\n" ); document.write( "\n" ); document.write( "3x^3+(x^2+6x^2)+(2x+9x)+(-3-5)\r
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\n" ); document.write( "\n" ); document.write( "3x^3+7x^2+11x-8\r
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\n" ); document.write( "\n" ); document.write( "So (x^2+2x-3)+(3x^3+6x^2+9x-5) = 3x^3+7x^2+11x-8
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