document.write( "Question 414470: Can you please help me solve the following problem?: \r
\n" ); document.write( "\n" ); document.write( "Simplify the expression. (Do not expand the expression in the denominator.) \r
\n" ); document.write( "\n" ); document.write( "(e^4x-e^-4x)^2 - (e^4x+e^-4x)^2/ (e^4x+e^-4x)^2
\n" ); document.write( "

Algebra.Com's Answer #290731 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
(e^4-e^-4x)^2-1 \n" ); document.write( "
\n" );