(2s-5t)^3
plz solve with statements
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6s+17t is the simplest form of the question above
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(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)
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