tlong di jawab pliss yang a saja

(p-q)³ = (p-q)×(p-q)×(p-q)
= (p²-pq-pq+q²)×(p-q)
= (p²-2pq+q²)×(p-q)
= (p³-2p²q+pq²-p²q+2pq²-q³)
= (p³-3p²q+3pq²-q³)