document.write( "Question 346529: sqrt(5-x)=x+7 \n" ); document.write( "

Algebra.Com's Answer #247800 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sqrt%285-x%29=x%2B7\"$
\n" ); document.write( "Square both sides.
\n" ); document.write( " $\"5-x=%28x%2B7%29%5E2\"$
\n" ); document.write( " $\"5-x=x%5E2%2B14x%2B49\"$
\n" ); document.write( " $\"x%5E2%2B15x%2B44=0\"$
\n" ); document.write( " $\"%28x%2B4%29%28x%2B11%29=0%7D%7D%0D%0ATwo+solutions%3A%0D%0A%7B%7B%7Bx%2B4=0\"$
\n" ); document.write( " $\"highlight%28x=-4%29\"$
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\n" ); document.write( " $\"x%2B11=0\"$
\n" ); document.write( " $\"highlight%28x=-11%29\"$
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\n" ); document.write( "As a check, verify the solution by putting them into the original formula and checking that they solve the equation. \n" ); document.write( "

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