document.write( "Question 4206: Subtract: (4x3 - 9x + 15) - (-2x3 + 4x2 + 7x).
\n" ); document.write( "Give answer with only positive exponents.
\n" ); document.write( " Assume x and y are not equal to 0. \n" ); document.write( "
Algebra.Com's Answer #1954 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
Remove the parentheses, remembering that a negative of a negative is a positive.\r
\n" ); document.write( "\n" ); document.write( "\"%284x%5E3++-+9x+%2B+15%29+-+%28-2x%5E3+%2B++4x%5E2+%2B+7x%29\"\r
\n" ); document.write( "\n" ); document.write( "\"4x%5E3++-+9x+%2B+15+%2B+2x%5E3+-++4x%5E2+-+7x\"\r
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\n" ); document.write( "\n" ); document.write( "Combine like terms:
\n" ); document.write( "\"6x%5E3++-+4x%5E2+-+16x+%2B+15\"\r
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\n" ); document.write( "\n" ); document.write( "By the way, what is this about \"Give answer with only positive exponents.\" If the problem is copied correctly how could it be anything else? \r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC\r
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