-|x| E
E^(-|x|)
-|x| -e *sign(x)
/ 2 \ -|x| \sign (x) - 2*DiracDelta(x)/*e
/ 3 \ -|x| \- sign (x) - 2*DiracDelta(x, 1) + 6*DiracDelta(x)*sign(x)/*e