document.write( "Question 54974: multiply 3x^2- 7x+ 2/x^2+ 6x -16 * x+8/4x-8 \n" ); document.write( "
Algebra.Com's Answer #37247 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
3x^2 - 7x+ 2/x^2+ 6x -16 * x+8/4x-8\r\n" );
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document.write( "You should have typed\r\n" );
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document.write( "(3x^2- 7x+ 2)/(x^2+ 6x -16) * (x+8)/(4x-8)\r\n" );
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document.write( "because without those parentheses only the\r\n" );
document.write( "two terms next to the \" / \" are indicated as\r\n" );
document.write( "divided.  To type a fraction all on one line\r\n" );
document.write( "you must use parentheses around both numerators\r\n" );
document.write( "and denominators.  Parentheses aren't necessary \r\n" );
document.write( "when you type them on two lines \r\n" );
document.write( "like this, though:\r\n" );
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document.write( " 3x²-7x+2      x+8\r\n" );
document.write( "---------- · ------\r\n" );
document.write( " x²+6x-16     4x-8\r\n" );
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document.write( "Factor every numerator and denominator that\r\n" );
document.write( "can be factored \r\n" );
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document.write( " (3x-1)(x-2)     x+8\r\n" );
document.write( "------------ · --------\r\n" );
document.write( " (x+8)(x-2)     4(x-2)\r\n" );
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document.write( "Indicate the multiplication of all the\r\n" );
document.write( "factors in the numerators as well as\r\n" );
document.write( "in the denominator.  You must enclose\r\n" );
document.write( "the x+8 in paretheses:\r\n" );
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document.write( "(3x-1)(x-2)(x+8)\r\n" );
document.write( "-----------------\r\n" );
document.write( "(x+8)(x-2)4(x-2)\r\n" );
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document.write( "Cancel one of the (x-2)'s in the bottom into\r\n" );
document.write( "the (x-2) in the top and cancel the (x+8)'s.\r\n" );
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document.write( "        1    1    \r\n" );
document.write( "(3x-1)(x-2)(x+8)\r\n" );
document.write( "-----------------\r\n" );
document.write( "(x+8)(x-2)4(x-2)\r\n" );
document.write( "  1    1\r\n" );
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document.write( "(3x-1)\r\n" );
document.write( "------\r\n" );
document.write( "4(x-2)\r\n" );
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document.write( "Take the parentheses off the top, since\r\n" );
document.write( "they aren't necessary when typed on\r\n" );
document.write( "two lines:\r\n" );
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document.write( " 3x-1\r\n" );
document.write( "------\r\n" );
document.write( "4(x-2)\r\n" );
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document.write( "And if you like you can distribute on the\r\n" );
document.write( "bottom to remove the parentheses there,\r\n" );
document.write( "but it isn't required:\r\n" );
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document.write( " 3x-1\r\n" );
document.write( "------\r\n" );
document.write( " 4x-8\r\n" );
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document.write( "Edwin
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