document.write( "Question 139225This question is from textbook McDougal Littell Algebra 1
\n" ); document.write( ": I cannot understand how to solve the quadratic equation: -1+3x^2=2x\r
\n" ); document.write( "\n" ); document.write( "I need to use the quadratic formula. My teacher wants us to leave it under the radical symbol if it is not a perfect square.
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Algebra.Com's Answer #101527 by checkley77(12844)\"\" \"About 
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-1+3x^2=2x
\n" ); document.write( "3x^2-2x-1=0
\n" ); document.write( "\"x+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"
\n" ); document.write( "x=(2+-sqrt[-2^2-4*3*-1])/2*3
\n" ); document.write( "x=(2+-sqrt[4+12])/6
\n" ); document.write( "x=(2+-sqrt16)/6
\n" ); document.write( "x=(2+-4)/6
\n" ); document.write( "x=(2+4)/6
\n" ); document.write( "x=1 answer.
\n" ); document.write( "x=(2-4)/6
\n" ); document.write( "x=-2/6
\n" ); document.write( "x=-1/3 answer.
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