document.write( "Question 318551: Can yhou please walk me through this?\r
\n" ); document.write( "\n" ); document.write( "4 = 5 + sqrt(2 x + 59)\r
\n" ); document.write( "\n" ); document.write( "x = ?\r
\n" ); document.write( "\n" ); document.write( "Is this solution extraneous? Yes or No\r
\n" ); document.write( "\n" ); document.write( "Jerry
\n" ); document.write( "jerry@san.rr.com \n" ); document.write( "

Algebra.Com's Answer #228060 by JBarnum(2146) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"4=5%2Bsqrt%282x%2B59%29\"$ subtract 5
\n" ); document.write( " $\"-1=sqrt%282x%2B59%29\"$ square both sides
\n" ); document.write( " $\"1=2x%2B59\"$ subtract 59
\n" ); document.write( " $\"-58=2x\"$ divide by 2
\n" ); document.write( " $\"highlight%28-29=x%29\"$
\n" ); document.write( "

\n" ); document.write( "checking
\n" ); document.write( " $\"4=5%2Bsqrt%282x%2B59%29\"$
\n" ); document.write( " $\"4=5%2Bsqrt%282%28-29%29%2B59%29\"$
\n" ); document.write( " $\"4=5%2Bsqrt%28%28-58%29%2B59%29\"$
\n" ); document.write( " $\"4=5%2Bsqrt%281%29\"$
\n" ); document.write( " $\"4=5%2B%28-1%29\"$ or $\"4=5%2B%281%29\"$ this one doesnt work 4=6
\n" ); document.write( " $\"4=4\"$
\n" ); document.write( "correct \n" ); document.write( "

\n" );