document.write( "Question 987550: -1=2x^2-x-1 \n" ); document.write( "

Algebra.Com's Answer #608298 by ikleyn(52786) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"-1\"$ = $\"2x%5E2-x-1\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Add 1 to both sides:\r
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\n" ); document.write( "\n" ); document.write( " $\"2x%5E2+-+x\"$ = $\"0\"$ .\r
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\n" ); document.write( "\n" ); document.write( "Factor it:\r
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\n" ); document.write( "\n" ); document.write( "x*(2x-1) = 0.\r
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\n" ); document.write( "\n" ); document.write( "The roots are x = 0 and x = $\"1%2F2\"$ . \r
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