Предмет: Алгебра, автор: Аноним

Полное решение этих заданий.Буду очень благодарен

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Автор ответа: Alexandr130398

1

ax²+bx+c=a(x-x₁)(x-x₂)
a²-b²=(a-b)(a+b)

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Room for one more /by Alvin Schwartz

A man named Joseph Blackwell came to Philadelphia on a business trip. He stayed with friends in the big house they owned outside the city. That night they had a good time visiting. But when Blackwell went to bed, he tossed and turned and couldn’t sleep. Sometime during the night he heard a car turn into the driveway. He went to the window to see who was arriving at such a late hour. In the moonlight, he saw a long black hearse filled with people.

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