Value of ($4a^{2}$ + 12ab + $9b^{2}$) (2a + 3b) is

Value of ($4a^{2}$ + 12ab + $9b^{2}$) (2a + 3b) is
1). 2a - 3b
2). 2a + 3b
3). 2a
4). 3B

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