document.write( "Question 527714: 3x^2-1=47 Please explain \n" ); document.write( "
Algebra.Com's Answer #349002 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! I presume you are trying to solve for x: \n" ); document.write( "3x^2-1=47 \n" ); document.write( "3x^2=48 \n" ); document.write( "x^2=16 \n" ); document.write( "x = +-4 \n" ); document.write( "that is, x is equal to \"plus or minus\" 4\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |