Предмет: Математика, автор: Аноним

Выделить полный квадрат
x^2+5x+4

Ответы

Автор ответа: iramazurk

1

Ответ:

(х + 2,5)² - 2,25

Пошаговое объяснение:

х² + 5х + 4 =

= х² + 5х + 6,25 - 6,25 + 4 =

= (х² + 5х + 6,25) - 6,25 + 4 =

= (х + 2,5)² - 6,25 + 4 =

= (х + 2,5)² - 2,25

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