document.write( "Question 139225This question is from textbook McDougal Littell Algebra 1
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document.write( ": I cannot understand how to solve the quadratic equation: -1+3x^2=2x\r
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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. \n" );
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Algebra.Com's Answer #101527 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! -1+3x^2=2x \n" ); document.write( "3x^2-2x-1=0 \n" ); document.write( " \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. \n" ); document.write( " |