Ответ: 3(4n+3)
Объяснение:
(2n+3)^2-4n^2=(2n+3-2n)(2n+3+2n)=3(4n+3)
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Ответ: 3(4n+3)
Объяснение:
(2n+3)^2-4n^2=(2n+3-2n)(2n+3+2n)=3(4n+3)