Предмет: Алгебра, автор: klashmine78

Разложите на множители: а) 4х²y²- 9а²; б) 25а² - (а + 3)² .

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Автор ответа: larisaserova53

0

Ответ:

Смотри решение на фото..

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Thanksgiving Thanksgiving Day is a national holiday in the USA.Its celebration goes back to the 17h century when the first Europeans left England to travel to the New World.They called themselves Pilgrims and most of them left their motherland because they didn't agree (to agree cornauarbca) with the official religion in their country After the long and difficult journey on the Mayflower across the ocean, the Pilgrims found a place with fields anda stream of fresh water to drink and a lot of tall trees to use for house building.They gave the place the name of Plymouth and made their first colony there.The first winter and spring in the new country were very hard for the Pilgrims.There was little food and the Pilgrims had great problems.Help came from the Indians who lived nearby They taught the Pilgrims how to grow corn, how to gather food and dry some of it for winter use.With the Indians' help the Pilgrims planted lot of worked hard and in autumn they had food for winter ahead.The Pilgrims decided to celebrate it and to thank God for helping them.The women got the food ready: prepared ducks and geese and fish from the stream, made some salads.Twenty Indian friends came and stayed there three days.how the tradition of celebrating Thanksgiving Day started.

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