Jawabanmu

2014-08-19T16:48:19+07:00
( 5p - q ) ( p²+2pq-3q² ) = ( 5p - q ) ( 2pq-2q² )

( 5p ) . (2pq) + (5p) . (-2q²) + (-q) . (2pq) + (-q) . (-2q²)
10p²q - 10pq² -2pq² + 2 q^{3} = 10p²q - 12pq² + 2 q^{3}