Question

$({3x}^{2} - y) ^{3}$
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Answer 1

Step-by-step explanation:

Here,

(3x² - y)³

according To formula,

(3x²)³ - 3.(3x²)² .y + 3.3x².y² + y³

27x^6 - 27x⁴y + 9x²y² + y³