Answer:
(3a+2b)(3a+2b)
Explanation:
=9a^2 + 12ab + 4b^2
=9a^2 + 6ab + 6ab +4b^2
=3a(3a +2b) + 2b(3a + 2b)
=(3a + 2b) (3a + 2b)
(3a + 2b)(3a + 2b)
9a² + 12ab + 4b²
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