document.write( "Question 718650: Solve each equations. Give answers involving radicals in simplest radicals form. \r
\n" ); document.write( "\n" ); document.write( "x^2+2x-4=0 \n" ); document.write( "

Algebra.Com's Answer #441011 by jsmallt9(3758) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2%2B2x-4=0\"$
\n" ); document.write( "This will not factor. So we must use the Quadratic Formula:
\n" ); document.write( " $\"x+=+%28-%282%29+%2B-+sqrt%28%282%29%5E2-4%281%29%28-4%29%29%29%2F2%281%29\"$
\n" ); document.write( "Simplifying...
\n" ); document.write( " $\"x+=+%28-%282%29+%2B-+sqrt%284-4%281%29%28-4%29%29%29%2F2%281%29\"$
\n" ); document.write( " $\"x+=+%28-%282%29+%2B-+sqrt%284%2B16%29%29%2F2%281%29\"$
\n" ); document.write( " $\"x+=+%28-%282%29+%2B-+sqrt%2820%29%29%2F2%281%29\"$
\n" ); document.write( " $\"x+=+%28-2+%2B-+sqrt%2820%29%29%2F2\"$
\n" ); document.write( " $\"x+=+%28-2+%2B-+sqrt%284%2A5%29%29%2F2\"$
\n" ); document.write( " $\"x+=+%28-2+%2B-+sqrt%284%29%2Asqrt%285%29%29%2F2\"$
\n" ); document.write( " $\"x+=+%28-2+%2B-+2%2Asqrt%285%29%29%2F2\"$
\n" ); document.write( " $\"x+=+%282%28-1+%2B-+sqrt%285%29%29%29%2F2\"$
\n" ); document.write( " $\"x+=+%28cross%282%29%28-1+%2B-+sqrt%285%29%29%29%2Fcross%282%29\"$
\n" ); document.write( " $\"x+=+-1+%2B-+sqrt%285%29\"$
\n" ); document.write( "which is short for:
\n" ); document.write( " $\"x+=+-1+%2B+sqrt%285%29\"$ or $\"x+=+-1+-+sqrt%285%29\"$ \n" ); document.write( "

\n" );