document.write( "Question 56551: I submitted a couple of days ago but didn't get a response. Can anyone help me?\r
\n" ); document.write( "\n" ); document.write( "10x^2 + x = 21\r
\n" ); document.write( "\n" ); document.write( "use the discriminant to determine the nature of the roots for equation. do not solve equation.\r
\n" ); document.write( "\n" ); document.write( "thank you...
\n" ); document.write( "

Algebra.Com's Answer #38413 by checkley71(8403)\"\" \"About 
You can put this solution on YOUR website!
10X^2+X=21
\n" ); document.write( "10^2+X-21=0
\n" ); document.write( "(5X-7)(2X+3)=0
\n" ); document.write( "5X-7=0
\n" ); document.write( "5X=7
\n" ); document.write( "X=7/5
\n" ); document.write( "AND
\n" ); document.write( "2X+3=0
\n" ); document.write( "2X=-3
\n" ); document.write( "X=-3/2
\n" ); document.write( "
\n" );