Jawabanmu

2014-08-29T19:28:14+07:00
 \frac{-2p}{q} . (-q)^{4} . \frac{2}{5}p^{2} \\  \\  \frac{-2p}{q} . q^{4} . \frac{2}{5}p^{2} \\  \\  \frac{4p^{3}.q^{4}}{q}
-4p^{3}q^{3}

kalau kurang jelas, silahkan tanya ↓ :)