Factorize the Expression 32a³ + 108b³

Factorize the following expression : \(32a^3 + 108b^3\)

\[ 32a^3 + 108b^3 \] \[ = 4(8a^3 + 27b^3) \] \[ = 4\left[(2a)^3 + (3b)^3\right] \] \[ = 4(2a + 3b)(4a^2 – 6ab + 9b^2) \]

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