document.write( "Question 530442: Use polynomial long division to divide
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Algebra.Com's Answer #350079 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "Start with this:\r\n" );
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document.write( "         __________________\r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
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document.write( "Divide  getting 3x \r\n" );
document.write( "write 3x above the top line:\r\n" );
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document.write( "                     3x    \r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          \r\n" );
document.write( "Next multiply 3x by -3x²-5x-2, 3x(-3x²-5x-2), getting -9x³-15x-6x\r\n" );
document.write( "and write this below and underline it like this:\r\n" );
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document.write( "                     3x    \r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          -9x³-15x²- 6x\r\n" );
document.write( "          \r\n" );
document.write( "Next subtract (-9x³-18x²-11x)-(-9x³-15x²- 6x) =\r\n" );
document.write( "               -9x³-18x²-11x+9x³+15x²+6x = -3x²-5x\r\n" );
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document.write( "and write that below the line:\r\n" );
document.write( "            \r\n" );
document.write( "                     3x    \r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          -9x³-15x²- 6x\r\n" );
document.write( "               -3x²- 5x \r\n" );
document.write( "               \r\n" );
document.write( "Bring down the -2\r\n" );
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document.write( "                     3x    \r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          -9x³-15x²- 6x\r\n" );
document.write( "               -3x²- 5x - 2\r\n" );
document.write( "               \r\n" );
document.write( "Divide  getting +1 \r\n" );
document.write( "write +1 above the top line:\r\n" );
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document.write( "                     3x + 1\r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          -9x³-15x²- 6x\r\n" );
document.write( "               -3x²- 5x - 2\r\n" );
document.write( "          \r\n" );
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document.write( "Next multiply 1 by -3x²-5x-2, 1(-3x²-5x-2), getting -3x²-5x-2\r\n" );
document.write( "and write this below and underline it like this:\r\n" );
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document.write( "                     3x + 1\r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          -9x³-15x²- 6x\r\n" );
document.write( "               -3x²- 5x - 2\r\n" );
document.write( "               -3x²- 5x - 2 \r\n" );
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document.write( "Next subtract (-3x²-5x-2)-(-3x²-5x-2) =\r\n" );
document.write( "               -3x²-5x-2+3x²+5x+2 = 0 \r\n" );
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document.write( "We write this 0 remainder down at the bottom\r\n" );
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document.write( "                     3x + 1\r\n" );
document.write( "-3x²-5x-2)-9x³-18x²-11x - 2\r\n" );
document.write( "          -9x³-15x²- 6x\r\n" );
document.write( "               -3x²- 5x - 2\r\n" );
document.write( "               -3x²- 5x - 2 \r\n" );
document.write( "                          0\r\n" );
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document.write( "And that's it.  The answer is 3x + 1 with 0 remainder.\r\n" );
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document.write( "Edwin

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