document.write( "Question 964556: How do you simplify:square root of square (x) + 9x+15 = X+5 \n" ); document.write( "

Algebra.Com's Answer #589423 by macston(5194) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%28x%5E2%2B9x%2B15%29=x%2B5\"$ Square each side.
\n" ); document.write( " $\"x%5E2%2B9x%2B15=x%5E2%2B10x%2B25\"$
\n" ); document.write( " $\"9x%2B15=10x%2B25\"$
\n" ); document.write( " $\"15=x%2B25\"$
\n" ); document.write( " $\"-10=x\"$
\n" ); document.write( "ANSWER: x=-10
\n" ); document.write( " $\"CHECK\"$ :
\n" ); document.write( " $\"sqrt%28x%5E2%2B9x%2B15%29=x%2B5\"$
\n" ); document.write( " $\"sqrt%28-10%5E2%2B9%28-10%29%2B15%29=%28-10%29%2B5\"$
\n" ); document.write( " $\"sqrt%28100-90%2B15%29=-5\"$
\n" ); document.write( " $\"sqrt%2825%29=-5\"$
\n" ); document.write( " $\"-5=-5\"$ \n" ); document.write( "

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