document.write( "Question 223760: Please help me solve this Quadratic equation.\r
\n" ); document.write( "\n" ); document.write( "9x^2+6x-4=0\r
\n" ); document.write( "\n" ); document.write( "I have solved it down to -6 sqrt 180 / 18.\r
\n" ); document.write( "\n" ); document.write( "this is also the same as your sight gave me, but the answer key says this.\r
\n" ); document.write( "\n" ); document.write( "-1 sqrt 5 / 5
\n" ); document.write( "

Algebra.Com's Answer #167255 by edjones(8007)\"\" \"About 
You can put this solution on YOUR website!
[-6+-sqrt(180)]/18 is what you got NOT what you posted.
\n" ); document.write( "=[-6+-sqrt(36*5)]/18
\n" ); document.write( "=[-6+-6sqrt(5)]/18
\n" ); document.write( "=[-1+-sqrt(5)]/3 better
\n" ); document.write( ".
\n" ); document.write( "Ed
\n" ); document.write( "
\n" );