Ответ: - 4x - 8
Объяснение:
(х + 2)(х - 2) - (х + 2)² = (x + 2)((x - 2) - (x + 2)) =
= (x + 2)(x - 2 - x - 2) = (x + 2) · (-4) = - 4x - 8
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Ответ: - 4x - 8
Объяснение:
(х + 2)(х - 2) - (х + 2)² = (x + 2)((x - 2) - (x + 2)) =
= (x + 2)(x - 2 - x - 2) = (x + 2) · (-4) = - 4x - 8