document.write( "Question 615350: x2-5x-14=0 solve in completing the square in quadratic equation \n" ); document.write( "

Algebra.Com's Answer #387109 by nerdybill(7384) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"x%5E2-5x-14=0\"$
\n" ); document.write( " $\"x%5E2-5x=14\"$
\n" ); document.write( "take 1/2 'b', square it and add to both sides:
\n" ); document.write( " $\"x%5E2-5x%2B+25%2F4+=+14%2B25%2F4\"$
\n" ); document.write( " $\"+%28x-5%2F2%29%5E2+=+56%2F4+%2B+25%2F4\"$
\n" ); document.write( " $\"+%28x-5%2F2%29%5E2+=+81%2F4\"$
\n" ); document.write( " $\"+x-5%2F2+=+sqrt%2881%2F4%29\"$
\n" ); document.write( "x = 5/2 +-9/2
\n" ); document.write( ".
\n" ); document.write( "x = {-4/2, 14/2}
\n" ); document.write( "or
\n" ); document.write( "x = {-2, 7}
\n" ); document.write( " \n" ); document.write( "

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