document.write( "Question 1055266: Subtract 4x2+9x+2 from 5x2+7x−9.\r
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\n" ); document.write( "\n" ); document.write( "I keep getting the wrong answer and I need some help. Please help me. The \"2\" after each x is suppose to be an exponent :( \n" ); document.write( "
Algebra.Com's Answer #670496 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
Subtract 4x²+9x+2 from 5x²+7x−9.
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document.write( "You may be getting them in the wrong order.\r\n" );
document.write( "Think of a similar simple problem with just\r\n" );
document.write( "numbers that would be worded the same way.\r\n" );
document.write( "For instance, think of this simple problem \r\n" );
document.write( "that is worded the same way:\r\n" );
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document.write( "Subtract 7 from 10.\r\n" );
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document.write( "To do that you start with 10 and then subtract \r\n" );
document.write( "7 from it, like this:\r\n" );
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document.write( "   10-7\r\n" );
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document.write( "and you get 3.\r\n" );
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document.write( "So when your problem is\r\n" );
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document.write( "Subtract 4x²+9x+2 from 5x²+7x−9. \r\n" );
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document.write( "To do that you start with 5x²+7x-9 and then subtract \r\n" );
document.write( "4x²+9x+2 from it, like this:\r\n" );
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document.write( "   (5x²+7x-9)-(4x²+9x+2)\r\n" );
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document.write( "The first parentheses is not prefixed with anything,\r\n" );
document.write( "so to remove the parentheses simply erase them.\r\n" );
document.write( "However the second parentheses is preceded by a -\r\n" );
document.write( "sign.  So to remove the parentheses, change the sign\r\n" );
document.write( "of every term inside, so we have\r\n" );
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document.write( "   5x²+7x-9-4x²-9x-2\r\n" );
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document.write( "Combine like terms:\r\n" );
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document.write( "The 5x² and the -4x² gives x².\r\n" );
document.write( "The +7x and the -9x gives -2x.\r\n" );
document.write( "The -9 and the -2 gives -11.\r\n" );
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document.write( "Answer:\r\n" );
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document.write( "x²-2x-11\r\n" );
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document.write( "Edwin
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