Question

(2s-5t)^3
plz solve with statements ​

Answer 1

Answer:

6s+17t is the simplest form of the question above

Answer 2

(2s-5t)³

→ (2s)³ - { 3 × (2s)² × 5t } + { 3 × 2s × (5t)² } - (5t)³ [As (a-b)³ = a³-3a²b+3ab²-b³]

→ 8s³ - (3 × 4s² × 5t) + ( 3 × 2s × 25t²) - 125t³

→ 8s³ - 60s²t + 150st² - 125t³. (Answer)