Ответы на вопрос:
8 + х + 7/х - 2 = 36/х² - 4
х + 7/х - 2 - 36/х² - 4 = - 8
х + 7/х - 2 - 36/(х - 2)(х + 2) = - 8
(х + 2)(х + 7) - 36/(х - 2)(х + 2) = - 8
х² + 7х + 2х + 14 - 36/(х - 2)(х + 2) = - 8
х² + 11х - 2х - 22/(х - 2)(х + 2) = - 8
х(х + 11) - 2(х + 11)/ (х - 2)(х + 2) = - 8
(х + 11)(х - 2)/(х + 2)(х + 2) = - 8
х + 11/х + 2 = - 8
х + 11 = - 8(х + 2)
х + 11 = - 8х - 16
х + 8х = - 16 - 11
9х = - 27
х = - 3
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