document.write( "Question 352193: square root 3x+2=3x \n" ); document.write( "

Algebra.Com's Answer #251680 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%283x%2B2%29=3x\"$
\n" ); document.write( " $\"3x%2B2=9x%5E2\"$
\n" ); document.write( " $\"9x%5E2-3x-2=0\"$
\n" ); document.write( " $\"%283x-2%29%283x%2B1%29=0\"$
\n" ); document.write( "Two solutions:
\n" ); document.write( " $\"3x-2=0\"$
\n" ); document.write( " $\"3x=2\"$
\n" ); document.write( " $\"x=2%2F3\"$
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\n" ); document.write( " $\"3x%2B1=0\"$
\n" ); document.write( " $\"3x=-1\"$
\n" ); document.write( " $\"x=-1%2F3\"$
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\n" ); document.write( "Verify the solutions to check for extraneous solutions.
\n" ); document.write( " $\"sqrt%283x%2B2%29=3x\"$
\n" ); document.write( " $\"sqrt%283%282%2F3%29%2B2%29=3%282%2F3%29\"$
\n" ); document.write( " $\"sqrt%282%2B2%29=2\"$
\n" ); document.write( " $\"sqrt%284%29=2\"$
\n" ); document.write( " $\"2=2\"$
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\n" ); document.write( " $\"sqrt%283x%2B2%29=3x\"$
\n" ); document.write( " $\"sqrt%283%28-1%2F3%29%2B2%29=3%28-1%2F3%29\"$
\n" ); document.write( " $\"sqrt%28-1%2B2%29=-1\"$
\n" ); document.write( " $\"sqrt%281%29=-1\"$
\n" ); document.write( " $\"-1=-1\"$
\n" ); document.write( "This solution is typically considered extraneous, since only positive values are used from the square root function.
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