document.write( "Question 765540: ( x + 2 )^2 = -7 \n" ); document.write( "

Algebra.Com's Answer #466239 by MathLover1(20849) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%28+x+%2B+2+%29%5E2+=+-7\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2%2B4x+%2B+4+=+-7\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2%2B4x+%2B+4%2B7+=+0\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"+x%5E2%2B4x+%2B11=+0\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-4+%2B-+sqrt%28+4%5E2-4%2A1%2A11+%29%29%2F%282%2A1%29+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-4+%2B-+sqrt%28+14-44+%29%29%2F2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-4+%2B-+sqrt%28+-30+%29%29%2F2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-4+%2B-+5.48i%29%2F2+\"$ \r
\n" ); document.write( "\n" ); document.write( "solutions:\r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-4+%2B5.48i%29%2F2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+-2%2B2.74i+\"$ \r
\n" ); document.write( "\n" ); document.write( "and\r
\n" ); document.write( "\n" ); document.write( " $\"x+=+%28-4+-5.48i%29%2F2+\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x+=+-2-2.74i+\"$ \r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " $\"+graph%28600%2C600%2C+-10%2C+10%2C+-5%2C+20%2C+x%5E2%2B4x+%2B11%29+\"$
\n" ); document.write( " \n" ); document.write( "

\n" );