Предмет: Математика, автор: AlexGriffon

как объяснить эту строчку срочно по фото

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Автор ответа: Лавган

0

решение задания на фото

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Автор ответа: erzhan9210

0

2^(2+х)-2^(2-х)=15
2²*2^х-2²:2^х-15=0 (*2^х)
4*2^2х-15*2^х-4=0

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