document.write( "Question 401726: solve x/x+9 - 9/x-9 = x^2+81/x^2-81 \n" ); document.write( "
Algebra.Com's Answer #284321 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! solve x/x+9 - 9/x-9 = x^2+81/x^2-81 \n" ); document.write( "Multiply thru by x^2-81 \n" ); document.write( "x(x-9) - 9(x+9) = x^2 + 81 \n" ); document.write( "x^2 - 9x - 9x - 81 = x^2 + 81 \n" ); document.write( "-18x = 162 \n" ); document.write( "x = -9 \n" ); document.write( "-------- \n" ); document.write( "-9 makes denominators on both sides = 0 \n" ); document.write( "--> no solutions. \n" ); document.write( " \n" ); document.write( " |