document.write( "Question 553898: 2x^2=x+21 \n" ); document.write( "

Algebra.Com's Answer #361107 by mananth(16946) $\"\"$ $\"About$

You can put this solution on YOUR website!
2x^2=x+21\r
\n" ); document.write( "\n" ); document.write( "2x^2-x-21=0\r
\n" ); document.write( "\n" ); document.write( "2x^2-7x+6x-21=0\r
\n" ); document.write( "\n" ); document.write( "x(2x-7)+3(2x-7)=0\r
\n" ); document.write( "\n" ); document.write( "(2x-7)(x+3)=0
\n" ); document.write( "x=7/2 OR -3
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