document.write( "Question 50816: use the quadratic formula to solve the equation. 4x^2-x-5=0 \n" ); document.write( "
Algebra.Com's Answer #33867 by darq(90)\"\" \"About 
You can put this solution on YOUR website!
4x^2-x-5=0\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\" is the quadratic formula\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%281+%2B-+sqrt%28+%28-1%29%5E2-4%2A4%2A-5+%29%29%2F%282%2A4%29+\" \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%281+%2B-+sqrt%28+1%2B80+%29%29%2F%288%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+%281+%2B-+%289%29%29%2F%288%29+\"\r
\n" ); document.write( "\n" ); document.write( "two solutions are available\r
\n" ); document.write( "\n" ); document.write( "first:\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+=+%281+%2B+%289%29%29%2F%288%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+5%2F4+\"\r
\n" ); document.write( "\n" ); document.write( "second: \r
\n" ); document.write( "\n" ); document.write( "\"x+=+%281+-+%289%29%29%2F%288%29+\"\r
\n" ); document.write( "\n" ); document.write( "\"x+=+-1+\"
\n" ); document.write( "
\n" );