document.write( "Question 682781: (x+1)^(1/2)+1=(2x)^(1/2)\r
\n" ); document.write( "\n" ); document.write( "I've been stuck on this problem forever! I know the answer is 8, just no matter what I tried can't get it.
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Algebra.Com's Answer #423320 by ReadingBoosters(3246)\"\" \"About 
You can put this solution on YOUR website!
\"%28x%2B1%29%5E%281%2F2%29+%2B+1+=+%282x%29%5E%281%2F2%29\"
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\n" ); document.write( "\"sqrt%28x%2B1%29+%2B+1+=+sqrt%282x%29\"
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\n" ); document.write( "\"sqrt%28x%2B1%29-sqrt%282x%29+=+-1\"
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\n" ); document.write( "\"%28sqrt%28x%2B1%29-sqrt%282x%29%29%5E2+=+-1%5E2\"\r
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\n" ); document.write( "\"x%2B1+-+2sqrt%282x%28x%2B1%29%29+%2B+2x+=+1\"
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\n" ); document.write( "\"x%2B1+-+2sqrt%282x%5E2%2B2x%29+%2B+2x+=+1\"
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\n" ); document.write( "\"3x+-+2sqrt%282x%5E2%2B2x%29+=+0\"
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\n" ); document.write( "\"3x+=+2sqrt%282x%5E2%2B2x%29\"
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\n" ); document.write( "\"%283%2F2%29x+=+sqrt%282x%5E2%2B2x%29\"
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\n" ); document.write( "\"%28%283%2F2%29x%29%5E2+=+sqrt%282x%5E2%2B2x%29%5E2\"
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\n" ); document.write( "\"%289%2F4%29x%5E2+=+2x%5E2%2B2x\"
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\n" ); document.write( "\"9x%5E2+=+8x%5E2+%2B+8x\"
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\n" ); document.write( "\"9x%5E2+-+8x%5E2+-+8x+=+0\"
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\n" ); document.write( "\"x%5E2+-+8x+=+0\"
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\n" ); document.write( "\"x%28x-8%29=0\"
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\n" ); document.write( "x = 8
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