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(-3)² = 9 × (-5) = -45
- √576 + ∛-1000 x √6400
⇒ √576 = 24
⇒ ∛-1000 = -10
⇒ √6400 = 80
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(-3)² x (-5) - √576 + ∛-1000 x √6400= ((-27) × (-5)) - 24 + ((-10) × 80)
= ( -45) - 24 + (-800)
= -869