Factorise the following
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- 5y⁵ - 405y
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➙ 5y⁵ - 405y
➻ 5y(y⁴ - 81)
➻5y(y²)² - (9)² [a² - b² = (a + b) (a - b) ]
➻5y(y² + 9) (y² - 9)
➻5y(y² + 9) { (y)² - (3)²}
➻ 5y(y² + 9) (y + 3) (y - 3)
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please brainliest
and thanks
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