document.write( "Question 411220: I need to solve this rational equation 18/x-3+18/x+3=8
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Algebra.Com's Answer #854233 by greenestamps(13355)\"\" \"About 
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\n" ); document.write( "Almost certainly, your equation is 18/(x-3)+18/(x+3)=8. (If you are working a problem like this, then you should be far enough in your study of algebra to know that proper use of parentheses is important!)

\n" ); document.write( "Inspection and a little logical reasoning and mental arithmetic show that x=6 is a solution. However, formal algebra shows that there are two solutions....

\n" ); document.write( "\"18%2F%28x-3%29%2B18%2F%28x%2B3%29=8\"

\n" ); document.write( "Multiply both sides by \"%28x-3%29%28x%2B3%29\" to clear fractions:

\n" ); document.write( "\"18%28x%2B3%29%2B18%28x-3%29=8%28x%2B3%29%28x-3%29\"
\n" ); document.write( "\"18x%2B54%2B18x-54=8%28x%5E2-9%29=8x%5E2-72\"

\n" ); document.write( "\"36x=8x%5E2-72\"
\n" ); document.write( "\"8x%5E2-36x-72=0\"
\n" ); document.write( "\"2x%5E2-9x-18=0\"
\n" ); document.write( "\"%28x-6%29%282x%2B3%29=0\"

\n" ); document.write( "\"x=6\" or \"x=-3%2F2\"

\n" ); document.write( "ANSWERS: 6 and -3/2
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