document.write( "Question 156543: (square root of x + 2)- x = 0
\n" ); document.write( "(x+2)^2 -x = 0
\n" ); document.write( "(x+2)^1/2^2/1 - x + x = 0 + x^2/1
\n" ); document.write( "x + 2 - 2 = x^2/1 - 2
\n" ); document.write( "x = x^2/1^1/2 - 2
\n" ); document.write( "x - x = x - 2
\n" ); document.write( "0 + 2 = x - 2 + 2
\n" ); document.write( "2 = x
\n" ); document.write( "

Algebra.Com's Answer #115306 by oscargut(2103)\"\" \"About 
You can put this solution on YOUR website!
\"sqrt%28x%2B2%29-x=0\"
\n" ); document.write( "then
\n" ); document.write( "\"sqrt%28x%2B2%29=x\"
\n" ); document.write( "then
\n" ); document.write( "\"x%2B2=x%5E2\"
\n" ); document.write( "then
\n" ); document.write( "\"x%5E2-x-2=0\"
\n" ); document.write( "then
\n" ); document.write( "\"x+=+%281+%2B-+sqrt%28+1%5E2-4%2A1%2A%28-2%29+%29%29%2F%282%29+\" =
\n" ); document.write( "\"x+=+%281+%2B-+3+%29%2F2+\"
\n" ); document.write( "then \"x=-1\" or \"x=2\"
\n" ); document.write( "-1 is not a solution of the first eq because \"sqrt%28-1%2B2%29-%28-1%29=2\"
\n" ); document.write( "2 is a solution of the first eq because \"sqrt%282%2B2%29-%282%29=0\"\r
\n" ); document.write( "\n" ); document.write( "Answer: \"x=2\"
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