Algebra.Com's Answer #149726 by Earlsdon(6294)![\"\"](\"/images/stars/stars-13.gif\")  
You can put this solution on YOUR website!
Ok, here's the strategy!
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document.write( "Add together the two given sides and subtract this sum from the given perimeter to get the third side.
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document.write( "Here's the action!
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document.write( "Add the two given sides:
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document.write( " Since we have a common denominator (x-6), we can add the two fractions.
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document.write( " Simplify the numerator.
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document.write( " Now we subtract this from the given perimeter of  .
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document.write( " We need to get the first term over a common denominator of  so we'll multiply the numerator and the denominator by
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document.write( " Now simplify the numerator of the first fraction by performing the indicated multiplication using the FOIL method.
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document.write( " Now we can do the subtraction since we have both fractions over a common denominator.
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document.write( " Simplify the numerator.
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document.write( " or  ...this is the length of the third side of the triangle.
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document.write( "We can check this solution by adding the three sides to see if we get the given perimeter of  :
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document.write( " Simplify the numerator.
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document.write( " Factor the numerator.
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document.write( " Cancel the indicated factors to leave you with:
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document.write( "...and this is the given perimeter. \n" );
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