Предмет: Алгебра, автор: elenauzenceva

Найди дискриминант квадратного уравнения: 8+9x-3x^2=0

Ответы

Автор ответа: klyuchnikovapolina05

Ответ:

Объяснение:8+9х-3x^2 = 0

- 3x^2 + 9х + 8 = 0 (домножим на -1)

3x^2 - 9х - 8 = 0

D= b^2 - 4ac

D= 81 + 96 = 177

elenauzenceva: спасибо вам большое

VictoriaSmail26: Спасибо огромное

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