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Антрактида
@Антрактида
April 2021
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Преобразуйте в многочлен:
а) 2(а-3)^2
б) 3(x+y)^2
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Answers & Comments
Zhorahis2000
A) 2(a - 3)² = 2(a² - 6a + 9)
= 2a² - 12a + 18.
б) 3(x + y)² = 3(x² + 2xy + y²)
= 3x² + 6xy + 3y².
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Answers & Comments
б) 3(x + y)² = 3(x² + 2xy + y²) = 3x² + 6xy + 3y².