Предмет: Алгебра, автор: konka42

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$\frac{4}{25} - 4m {}^{2}$

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Автор ответа: isahansanara

Ответ:

вот надеюсь помогло:):))

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Автор ответа: Universalka

$\displaystyle\bf\\\frac{4}{25} -4m^{2} =4\cdot\Big(\frac{1}{25} -m^{2} \Big)=4\cdot\Big[\Big(\frac{1}{5} \Big)^{2} -m^{2} \Big]=4\cdot\Big(\frac{1}{5} -m\Big)\cdot\Big(\frac{1}{5} +m\Big)$

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$\frac{4}{25} - 4m {}^{2}$