document.write( "Question 151136: 8x =4x(squared) -2 \n" ); document.write( "
Algebra.Com's Answer #111049 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 8x =4x(squared) -2 \n" ); document.write( "8x = 4x^2 -2 \n" ); document.write( "4x^2 - 8x -2 = 0 \n" ); document.write( "2x^2 - 4x -1 = 0 \n" ); document.write( "Use the quadratic formula to get:\r \n" ); document.write( "\n" ); document.write( "x = [4 +- sqrt(16 -4*2*-1)]/4\r \n" ); document.write( "\n" ); document.write( "x = [4 +- sqrt(24)]/4\r \n" ); document.write( "\n" ); document.write( "x = [4+-2sqrt(6)]/4\r \n" ); document.write( "\n" ); document.write( "x = [1 + (1/2)sqrt(6)] or x = [1 - (1/2)sqrt(6)] \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |