Предмет: Алгебра, автор: mamoipapo

допоможіть пж даю 100 балів

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Автор ответа: 4081w

0

Ответ:

14

Объяснение:

$x(2 - x) + (x - 2)(x + 2) - 5x = 2x - {x}^{2} + ( {x}^{2} - 4) - 5x = 2x - {x}^{2} + x ^{2} - 4 - 5x = - 3x - 4$

$- 3 \times ( - 6) - 4 = 18 - 4 = 14$

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