document.write( "Question 187629: Express the following in simplest form with a rational denominator.
\n" ); document.write( " $\"%28sqrt%282%29-2%29+%2F%282sqrt%283%29%2Bsqrt%287%29%29\"$ \r
\n" ); document.write( "\n" ); document.write( "So far I have: multipied it by $\"%28sqrt%283%29+-+7%29+%2F%28sqrt%283%29+-+7%29\"$
\n" ); document.write( "But after that I'm not to sure what to do. I don't even know if what I have done so far is right. \n" ); document.write( "

Algebra.Com's Answer #140658 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "I think you left off the 2 coefficient and also you left\r\n" );
document.write( "the square root symbol off of the 7 in what you \r\n" );
document.write( "multiplied by.\r\n" );
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document.write( "To find out what to multiply by,\r\n" );
document.write( "take the denominator, \r\n" );
document.write( "Change the sign of the SECOND term, so that\r\n" );
document.write( "you have   \r\n" );
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document.write( "Now put that over itself:\r\n" );
document.write( "so that it will just equal to 1 and therefore\r\n" );
document.write( "it won't affect the value of the original \r\n" );
document.write( "problem when we multiply by it.\r\n" );
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document.write( "Put parentheses around all numerators and denominators:\r\n" );
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document.write( "Indicate the multiplication of the numerators and\r\n" );
document.write( "denominators, so that we just have one fraction:\r\n" );
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document.write( "FOIL out the top and bottom:\r\n" );
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document.write( "The middle two tems in the bottom cancel out:\r\n" );
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document.write( "Take square roots of 9 and 49, which are 3 and 7:\r\n" );
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document.write( "Edwin

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