document.write( "Question 62504: I'm having trouble with this problem:\r
\n" ); document.write( "\n" ); document.write( "(((x2-3x-1 -3=0)))\r
\n" ); document.write( "\n" ); document.write( "Everything is under the radical (square root) expect -3=0 \n" ); document.write( "

Algebra.Com's Answer #43260 by funmath(2933) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%28x%5E2-3x-1%29-3=0\"$
\n" ); document.write( " $\"sqrt%28x%5E2-3x-1%29-3%2B3=0%2B3\"$
\n" ); document.write( " $\"sqrt%28x%5E2-3x-1%29=3\"$
\n" ); document.write( " $\"%28sqrt%28x%5E2-3x-1%29%29%5E2=%283%29%5E2\"$
\n" ); document.write( " $\"x%5E2-3x-1=9\"$
\n" ); document.write( " $\"x%5E2-3x-1-9=0\"$
\n" ); document.write( " $\"x%5E2-3x-10=0\"$
\n" ); document.write( " $\"%28x-5%29%28x%2B2%29=0\"$
\n" ); document.write( "x-5=0 and x+2=0
\n" ); document.write( "x-5+5=0+5 and x+2-2=0-2
\n" ); document.write( "x=5 and x=-2
\n" ); document.write( "Check both those solutions to make sure they are not extraneous.
\n" ); document.write( " $\"sqrt%28%285%29%5E2-3%285%29-1%29-3=0\"$
\n" ); document.write( " $\"sqrt%2825-15-1%29-3=0\"$
\n" ); document.write( " $\"sqrt%289%29-3=0\"$
\n" ); document.write( " $\"3-3=0\"$
\n" ); document.write( " $\"0=0\"$ $\"highlight%28x=5%29\"$ is a valid solution.
\n" ); document.write( " $\"sqrt%28%28-2%29%5E2-3%28-2%29-1%29-3=0\"$
\n" ); document.write( " $\"sqrt%284%2B6-1%29-3=0\"$
\n" ); document.write( " $\"sqrt%289%29-3=0\"$
\n" ); document.write( " $\"3-3=0\"$
\n" ); document.write( " $\"0=0\"$ $\"highlight%28x=-2%29\"$ is also valid.
\n" ); document.write( "Happy Calculating!!!! \n" ); document.write( "

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