/ / 2 \\ sign(x)
2*\2*DiracDelta(x) + x*\2*DiracDelta (x) + DiracDelta(x, 1)//*e
$$2 \left(x \left(2 \left(\delta\left(x\right)\right)^{2} + \delta^{\left( 1 \right)}\left( x \right)\right) + 2 \delta\left(x\right)\right) e^{\operatorname{sign}{\left(x \right)}}$$
/ 2 / 3 \\ sign(x)
2*\3*DiracDelta(x, 1) + 6*DiracDelta (x) + x*\4*DiracDelta (x) + 6*DiracDelta(x)*DiracDelta(x, 1) + DiracDelta(x, 2)//*e
$$2 \left(x \left(4 \left(\delta\left(x\right)\right)^{3} + 6 \delta\left(x\right) \delta^{\left( 1 \right)}\left( x \right) + \delta^{\left( 2 \right)}\left( x \right)\right) + 6 \left(\delta\left(x\right)\right)^{2} + 3 \delta^{\left( 1 \right)}\left( x \right)\right) e^{\operatorname{sign}{\left(x \right)}}$$