Объяснение:
(8t + 6)(8t - 6) = 64t² - 36
(8t + 6)(8t - 6) = 8t*8t - 8t*6 + 6*8t - 6*6 =
64t² - 48t + 48t - 36 = 64t² - 36
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Объяснение:
(8t + 6)(8t - 6) = 64t² - 36
(8t + 6)(8t - 6) = 8t*8t - 8t*6 + 6*8t - 6*6 =
64t² - 48t + 48t - 36 = 64t² - 36