factorize
9a^2 - 4b^2 + 2(3a+2b)
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Answer:(3a - 2b)^2
Step-by-step explanation: (9a)^2 + (4b)^2 - 2(3a + 2b) = 3a^2 + 2b^2 - 2(3a+ 2b) = (3a - 2b)^2 [ a^2 + b^2 - 2ab = (a - b)^2