document.write( "Question 426975: 165=xsquare+2x \n" ); document.write( "

Algebra.Com's Answer #296937 by mananth(16946) $\"\"$ $\"About$

You can put this solution on YOUR website!
165=xsquare+2x\r
\n" ); document.write( "\n" ); document.write( "x^2+2x-165\r
\n" ); document.write( "\n" ); document.write( "Find the roots of the equation by quadratic formula
\n" ); document.write( "
\n" ); document.write( "a=1, b=2,c=-165
\n" ); document.write( "
\n" ); document.write( "b^2-4ac=4+660
\n" ); document.write( "b^2-4ac=664
\n" ); document.write( " $\"x=%28-b%2B-sqrt%28b%5E2-4ac%29%29%2F%282a%29\"$
\n" ); document.write( " $\"x1=%28-b%2Bsqrt%28b%5E2-4ac%29%29%2F%282a%29\"$
\n" ); document.write( " $\"x1=%28-2%2Bsqrt%28664%29%29%2F%282%29\"$
\n" ); document.write( "x1=(-2+ 25.77)/ 2
\n" ); document.write( "x1= 11.88
\n" ); document.write( "x2=(-2-25.77)/2
\n" ); document.write( "x2=-13.88 \n" ); document.write( "

\n" );