Question

Factorise:

3a^5 - 108a^3

Answer 1

Answer:

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Step-by-step explanation:

Factorise:

3a⁵ - 108a³

3a⁵ - 108a³

taking common terms

3a³(a² - 36)

= 3a³[( a )² - ( 6 )²]

= 3a³( a - 6 )( a + 6 )

[ ∵ a² - b² = ( a + b )( a - b )]

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