Предмет: Математика, автор: Swrlmdx

Розв'яжіть рiвняння х² = 25х.

Ответы

Автор ответа: parus77

0

Ответ:

х=0 или х=25

Пошаговое объяснение:

х² = 25х

х²-25х=0

х(х-25)=0

произведение равно 0 тогда,когда хотя бы один из множителей равен 0

х=0 или х-25=0

х=25

проверка:

0²=25*0

0=0

25²=25*25

625=625

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