document.write( "Question 200158This question is from textbook Algebra 1
\n" ); document.write( ": How do I add 3/x+5 + 4/x-4 could you please show the steps taken. \n" ); document.write( "
Algebra.Com's Answer #150453 by jim_thompson5910(35256)\"\" \"About 
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Take note that the LCD is \"%28x%2B5%29%28x-4%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"3%2F%28x%2B5%29%2B4%2F%28x-4%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%283%28x-4%29%29%2F%28%28x%2B5%29%28x-4%29%29%2B4%2F%28x-4%29\" Multiply both the numerator and denominator of the first fraction by \"x-4\" (to get this denominator equal to the LCD)\r
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\n" ); document.write( "\n" ); document.write( "\"%283x-12%29%2F%28%28x%2B5%29%28x-4%29%29%2B4%2F%28x-4%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"%283x-12%29%2F%28%28x%2B5%29%28x-4%29%29%2B%284%28x%2B5%29%29%2F%28%28x%2B5%29%28x-4%29%29\" Multiply both the numerator and denominator of the second fraction by \"x%2B5\" (to get this denominator equal to the LCD)\r
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\n" ); document.write( "\n" ); document.write( "\"%283x-12%29%2F%28%28x%2B5%29%28x-4%29%29%2B%284x%2B20%29%2F%28%28x%2B5%29%28x-4%29%29\" Distribute\r
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\n" ); document.write( "\n" ); document.write( "\"%283x-12%2B4x%2B20%29%2F%28%28x%2B5%29%28x-4%29%29\" Combine the fractions. This is now possible because the denominators are equal.\r
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\n" ); document.write( "\n" ); document.write( "\"%287x%2B8%29%2F%28%28x%2B5%29%28x-4%29%29\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "\"%287x%2B8%29%2F%28x%5E2%2Bx-20%29\" FOIL\r
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\n" ); document.write( "\n" ); document.write( "So \"3%2F%28x%2B5%29%2B4%2F%28x-4%29=%287x%2B8%29%2F%28x%5E2%2Bx-20%29\"
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