document.write( "Question 148769: I dont even understand this problem at all. 81x^2-144=0. Whoever solves this, then i wish you the best because it's difficult. \n" ); document.write( "
Algebra.Com's Answer #109105 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! Notice that you can \"factor\" it: \n" ); document.write( "81x^2-144=0 \n" ); document.write( "(9x+12)(9-12)=0 \n" ); document.write( ". \n" ); document.write( "therefore: \n" ); document.write( "x = {-12,12} \n" ); document.write( " \n" ); document.write( " |