document.write( "Question 368948: Write a rational expression for:\r
\n" ); document.write( "\n" ); document.write( "The average grade of Richard whose total score in x^4+3x^3-2x^2+1 subjects is (x+3)(x-4) \n" ); document.write( "

Algebra.Com's Answer #262947 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use polynomial long division,
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document.write( "           x^2 + 4x + 14\r\n" );
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document.write( "x^2-x-12 | x^4 + 3x^3 -  2x^2 +  0x +   1\r\n" );
document.write( "      -   (x^4 -  x^3 - 12x^2)\r\n" );
document.write( "          --------------------\r\n" );
document.write( "                 4x^3 + 10x^2\r\n" );
document.write( "             -  (4x^3 -  4x^2 - 48x)\r\n" );
document.write( "                --------------------\r\n" );
document.write( "                        14x^2 + 48x +   1\r\n" );
document.write( "                     - (14x^2 - 14x - 168)\r\n" );
document.write( "                       -------------------\r\n" );
document.write( "                                62x + 169\r\n" );
document.write( "                               \r\n" );
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\n" ); document.write( "Average is the sum of total scores divided by total number of scores.
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