November 2023 1 3 Report
2. Спростити вираз:
а) 7(а + 3) - 4(а - 9);
б) (5х³ - 7х)·3х - (4х³ - 3х)·2х.
3. Спростити вираз і знайти його значення:
у²(у² - 3у + 1)- 2у(у³ - 3у² + у) ++ 3у³ - у² , якщо а =1 .
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