Fill in missing information to make the equality true: (... +2a)2 = … +12ab2+4a2.

asked Apr 4, 2022 110k views

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Fill in missing information to make the equality true:
(... +2a)2 = … +12ab2+4a2.

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${ (3b + 2a)}^(2) = 9 {b}^(2) + 12ab + 4 {a}^(2)$

RufatZZ answered Apr 11, 2022

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