= 7+lim 7 X-7 x² - 49 lim x-7 x-7 = lim x-7 (x-7)(x + 7) (x-7) = lim(x + 7) x-7 = lim x + lim 7 x-7 x-7 :: lim x = 7 and lim 7 = 7 x-7 x-7 = 7+7 = 14

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