Предмет: Алгебра, автор: albinagalkina935

как можно быстрее пожалуйста

Приложения:

Ответы

Автор ответа: Eugee82

1

Ответ:

33

Объяснение:

a + b = 5

ab = -2

(a + b) ² = 25

a² + 2ab + b² = 25

a² + b² = 25 - 2ab = 25 + 4 = 29

(a - b)² = a² - 2ab + b² = a² + b² - 2ab = 29 + 4 = 33

albinagalkina935: спасибо!

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