document.write( "Question 677970: -4 n( n+ 2) = 3(n-4) \n" ); document.write( "
Algebra.Com's Answer #421122 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! -4n( n+ 2) = 3(n-4) \n" ); document.write( "----- \n" ); document.write( "-4n^2 - 8n = 3n-12 \n" ); document.write( "---- \n" ); document.write( "-4n^2 - 11n + 12 = 0 \n" ); document.write( "------ \n" ); document.write( "4n^2 + 11n - 12 = 0 \n" ); document.write( "----- \n" ); document.write( "Use the Quadratic Formula: \n" ); document.write( "n = [-11 +- sqrt(121 - 4*4*-12)]/8 \n" ); document.write( "---- \n" ); document.write( "n = [-11 +- sqrt(204)]/8 \n" ); document.write( "--- \n" ); document.write( "n = [-11 +- 2sqrt(51)]/8 \n" ); document.write( "============================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |