document.write( "Question 84323This question is from textbook College Algebra
\n" ); document.write( ": Hello! My name is Salem and I am a concurrently enrolled student at Carl Albert State College. I have just started College Algebra and I asked my high school math teacher to help me with this question and neither of us can get it right. Can you please help me? It is due tomorrow!
\n" ); document.write( "Here is the question:
\n" ); document.write( "\"%28x%2Fx%5E2-1%29-%28%28x%2B3%29%2Fx%5E2-x%29=%28%28-3%29%2Fx%5E2%2Bx%29\"
\n" ); document.write( "In words, it is: (x over x squared minus one), minus (x plus three over x squared minus x) equals (negative three over x squared plus x).
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Algebra.Com's Answer #60728 by rapaljer(4671)\"\" \"About 
You can put this solution on YOUR website!
\"x%2F%28x%5E2-1%29+-+%28%28x%2B3%29%2F%28x%5E2+-+x%29%29+=+%28-3%29%2F%28x%5E2+%2Bx%29+\"\r
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\n" ); document.write( "\n" ); document.write( "First factor each denominator in order to find the LCD:
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\n" ); document.write( "\n" ); document.write( "The LCD = x(x-1)(x+1), so multiply both sides of the equation by the LCD, makin note that x cannot equal 0, 1, or -1:\r
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\n" ); document.write( "\n" ); document.write( "When ALL these denominators divide out, this is all that is left:
\n" ); document.write( "\"x%5E2+-%28x%2B1%29%28x%2B3%29+=+%28x-1%29%28-3%29+\"
\n" ); document.write( "\"x%5E2+-%28x%5E2+%2B4x%2B3%29+=+-3x%2B3\"
\n" ); document.write( "\"x%5E2+-x%5E2+-4x-3+=+-3x+%2B3+\"
\n" ); document.write( "\"-4x-3=-3x%2B3\"
\n" ); document.write( "\"-4x%2B3x-3+=+-3x%2B3x%2B3\"
\n" ); document.write( "\"-x-3%2B3=3%2B3\"
\n" ); document.write( "\"-x=6\"
\n" ); document.write( "\"x=-6\"\r
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\n" ); document.write( "\n" ); document.write( "The answer does NOT make any denominators zero, so it should check okay!
\n" ); document.write( "It does, but it's hairy!\r
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\n" ); document.write( "\n" ); document.write( "R^2 at SCC\r
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\n" ); document.write( "\n" ); document.write( "PS. Get your math teacher to check out my website by clicking on my tutor name \"rapaljer\" anywhere in algebra.com. Take a look at, among other pages, my \"MATH IN LIVING COLOR PAGES!\"\r
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