document.write( "Question 420909: \"sqrt+X%2B2+-+sqrt+X-3+=+sqrt+X-6\"
\n" ); document.write( "This is the problem I am trying to work out. I have tried foiling, quadratic equation, completing the square, but I am not coming up with a good answer. If you could help me I would appreciate it. I don't want to know the answer as much as how to do it.
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Algebra.Com's Answer #294078 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt+%28X%2B2%29+-+sqrt+%28X-3%29+=+sqrt+%28X-6%29\"
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\n" ); document.write( "square both sides
\n" ); document.write( "\"%28sqrt+%28X%2B2%29+-+sqrt+%28X-3%29%29%5E2+=+%28sqrt+%28X-6%29%29%5E2\"
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\n" ); document.write( "FOIL the Left side
\n" ); document.write( "(x+2) - \"sqrt%28%28x%2B2%29%2A%28x-3%29%29+-+sqrt%28%28x%2B2%29%2A%28x-3%29%29\" + (x-3) = (x-6)
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\n" ); document.write( "Combine like terms, move the radical to right
\n" ); document.write( "x + x -x + 2 - 3 + 6 = \"2sqrt%28%28x%2B2%29%2A%28x-3%29%29\"
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\n" ); document.write( "FOIL inside the radical
\n" ); document.write( "x + 5 = \"2sqrt%28x%5E2+-+x+-+6%29\"
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\n" ); document.write( "square both sides
\n" ); document.write( "x^2 + 10x + 25 = 4(x^2 - x - 6)
\n" ); document.write( "x^2 + 10x + 25 = 4x^2 - 4x - 24
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\n" ); document.write( "Combine like terms on the right
\n" ); document.write( "0 = 4x^2 - x^2 - 4x - 10x - 24 - 25
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\n" ); document.write( "3x^2 - 14x - 49 = 0
\n" ); document.write( "Factors to
\n" ); document.write( "(3x + 7)(x - 7) = 0
\n" ); document.write( "positive solution is all want here
\n" ); document.write( "x = + 7
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\n" ); document.write( "Check solution in the original equation
\n" ); document.write( "\"sqrt+%287%2B2%29+-+sqrt+%287-3%29+=+sqrt+%287-6%29\"
\n" ); document.write( "you can see that it checks out
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