document.write( "Question 1150082: Find the value of x that makes the following equation true:\r
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Algebra.Com's Answer #771444 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!

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\n" ); document.write( "\n" ); document.write( "The given equation
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\n" ); document.write( "has the term \"sqrt%283x%29+%2B+sqrt%283%2Fx%29\" show up a bunch of times as shown by the red marker\r
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\n" ); document.write( "\n" ); document.write( "So we can replace every copy of \"sqrt%283x%29+%2B+sqrt%283%2Fx%29\" with some other variable temporarily. Lets call that y.
\n" ); document.write( "Let \"y+=+sqrt%283x%29+%2B+sqrt%283%2Fx%29\"\r
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\n" ); document.write( "\n" ); document.write( "The given equation
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\n" ); document.write( "simplifies greatly to
\n" ); document.write( "\"%28y+-+2sqrt%283%29%29%2F%28y%29+=+%28y%29%2F%28y%2Bsqrt%283%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "Recall that the range of the square root function is nonnegative. In other words, it is impossible to get a negative value output from \"sqrt%28x%29\". Adding two nonnegative square roots in \"y+=+sqrt%283x%29+%2B+sqrt%283%2Fx%29\" like this means that \"y+%3E+0\". We'll use this fact later.\r
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\n" ); document.write( "Let's solve for y\r
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\n" ); document.write( "\n" ); document.write( "\"%28y+-+2sqrt%283%29%29%2F%28y%29+=+%28y%29%2F%28y%2Bsqrt%283%29%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28y+-+2sqrt%283%29%29%28y%2Bsqrt%283%29%29+=+y%2Ay\" Cross multiply\r
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\n" ); document.write( "\n" ); document.write( "\"%28y+-+2sqrt%283%29%29%28y%2Bsqrt%283%29%29+=+y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"A%28y%2Bsqrt%283%29%29+=+y%5E2\" Temporarily, let \"A+=+%28y+-+2sqrt%283%29%29\". This helps us distribute in the next step\r
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\n" ); document.write( "\n" ); document.write( "\"A%2Ay+%2B+A%2Asqrt%283%29+=+y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2AA+%2B+sqrt%283%29%2AA+=+y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%28y+-+2sqrt%283%29%29%2Bsqrt%283%29%28y+-+2sqrt%283%29%29+=+y%5E2\" Replace A with \"%28y+-+2sqrt%283%29%29\" again.\r
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\n" ); document.write( "\n" ); document.write( " Distribute again\r
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\n" ); document.write( "\n" ); document.write( "\"y%5E2+-+2y%2Asqrt%283%29+%2B+y%2Asqrt%283%29-6+=+y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%5E2+-+y%2Asqrt%283%29-6+=+y%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%5E2+-+y%2Asqrt%283%29-6-y%5E2+=+y%5E2-y%5E2\" Subtract y^2 from both sides\r
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\n" ); document.write( "\n" ); document.write( "\"-y%2Asqrt%283%29-6+=+0\"\r
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\n" ); document.write( "\n" ); document.write( "\"-y%2Asqrt%283%29-6%2By%2Asqrt%283%29+=+0%2By%2Asqrt%283%29\" Add y*sqrt(3) to both sides\r
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\n" ); document.write( "\n" ); document.write( "\"-6+=+y%2Asqrt%283%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"y%2Asqrt%283%29+=+-6\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28y%2Asqrt%283%29%29%2F%28sqrt%283%29%29+=+-6%2F%28sqrt%283%29%29\" Divide both sides by sqrt(3)\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+-6%2F%28sqrt%283%29%29\" Divide both sides by sqrt(3)\r
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\n" ); document.write( "\n" ); document.write( "\"y+=+-3.46410161513776\" we've run into a problem\r
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\n" ); document.write( "\n" ); document.write( "The result we got \"y+=+-3.46410161513776\" contradicts \"y+%3E+0\"\r
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\n" ); document.write( "\n" ); document.write( "There are no solutions for y, which means that there are no solutions for x.
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