document.write( "Question 615572: Help me solve (x+2)^2=16 \n" ); document.write( "

Algebra.Com's Answer #387226 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+%28x%2B2%29%5E2=16+\"$
\n" ); document.write( "Take the square root of both sides
\n" ); document.write( " $\"+x+%2B+2+=+4+\"$
\n" ); document.write( " $\"+x+=+2+\"$
\n" ); document.write( "and, taking the negative square root
\n" ); document.write( " $\"+x+%2B+2+=+-4+\"$
\n" ); document.write( " $\"+x+=+-6+\"$
\n" ); document.write( "---------
\n" ); document.write( "Check:
\n" ); document.write( " $\"+%282%2B2%29%5E2=16+\"$
\n" ); document.write( " $\"+4%5E2+=+16+\"$
\n" ); document.write( " $\"+16+=+16+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+%28-6%2B2%29%5E2=16+\"$
\n" ); document.write( " $\"+%28-4%29%5E2+=+16+\"$
\n" ); document.write( " $\"+16+=+16+\"$
\n" ); document.write( "OK \n" ); document.write( "

\n" );