Question

factorize

$4 a ^ { 2 } - 9 b ^ { 2 } - 2 a - 3 b$
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Answer 1

−342+42−182−4−3 this is answer

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Answer 2

${4a}^{2} - {9b}^{2} - 2a - 3b\\ {4a}^{2} - 2a - {9b}^{2} - 3b \\ 2a(2a - 1) - 3b(3b - 1) \\ (2a - 3b)(2a - 1)(3b - 1)$