document.write( "Question 581610: x^2+6X+7=0\r
\n" ); document.write( "\n" ); document.write( "Quadratic Formula \n" ); document.write( "

Algebra.Com's Answer #371727 by josmiceli(19441) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"+x%5E2+%2B+6x+%2B+7+\"$
\n" ); document.write( " $\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"$
\n" ); document.write( " $\"+a+=+1+\"$
\n" ); document.write( " $\"+b+=+6+\"$
\n" ); document.write( " $\"+c+=+7+\"$
\n" ); document.write( " $\"+x+=+%28-6+%2B-+sqrt%28+6%5E2-4%2A1%2A7+%29%29%2F%282%2A1%29+\"$
\n" ); document.write( " $\"+x+=+%28-6+%2B-+sqrt%28+36+-+28+%29%29+%2F+2+\"$
\n" ); document.write( " $\"+x+=+%28-6+%2B-+sqrt%28+8+%29%29+%2F+2+\"$
\n" ); document.write( " $\"+x+=+%28-6+%2B-+2%2Asqrt%28+2+%29%29+%2F+2+\"$
\n" ); document.write( " $\"+x+=+-3+%2B+sqrt%282%29+\"$
\n" ); document.write( "and
\n" ); document.write( " $\"+x+=+-3+-+sqrt%282%29+\"$
\n" ); document.write( "-----------------
\n" ); document.write( "I'll check one solution, and you can
\n" ); document.write( "check the other
\n" ); document.write( " $\"+%28+-3+%2B+sqrt%282%29%29%5E2+%2B+6%2A%28+-3+%2B+sqrt%282%29%29+%2B+7+=+0+\"$
\n" ); document.write( " $\"+9+-+6%2Asqrt%282%29+%2B+2+-+18+%2B+6%2Asqrt%282%29+%2B+7+=+0+\"$
\n" ); document.write( " $\"+9+%2B+2++-+18+%2B+7+=+0+\"$
\n" ); document.write( " $\"+18+-+18+=+0+\"$
\n" ); document.write( " $\"+0+=+0+\"$
\n" ); document.write( "OK \n" ); document.write( "

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