document.write( "Question 1174997: simplify this polynomial. Maybe try grouping?
\n" ); document.write( "(18-2x^3+9x)-(4-x^2-3x^3+11x)\r
\n" ); document.write( "\n" ); document.write( "If anyone can help i would greatly appreciate it.
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Algebra.Com's Answer #800530 by MathLover1(20850)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "recall the rule:
\n" ); document.write( "When parentheses are preceded by a plus sign + simply remove them. Nothing changes.\r
\n" ); document.write( "\n" ); document.write( "When parentheses are preceded by a minus sign − change the sign of every term within the parentheses. Change + to − and − to + .\r
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\n" ); document.write( "\n" ); document.write( "\"%2818-2x%5E3%2B9x%29-%284-x%5E2-3x%5E3%2B11x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"18-2x%5E3%2B9x-4%2Bx%5E2%2B3x%5E3-11x\"\r
\n" ); document.write( "\n" ); document.write( "\"x%5E3%2Bx%5E2-2x%2B14\"
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