log_4 (x^2+6x)=2
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Спасибо большое)

4^2 = x^2 + 6xx^2 + 6x - 16 = 0D = 36 + 64 = 100x1 = (-6 - 10)/2 = -8x2 = (-6 + 10)/2 = 2Проверка: log4(64-48) = log4(16)=2log4(4+12) = log4(16) = 2Ответ: -8 и 2