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alananicoleee
08.04.2021 •
Mathematics
What is the product of 2x + y and 5x – y + 3?
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Ответ:
10x² + 6x + 3xy + 3y – y²
Step-by-step explanation:
(2x + y)(5x – y + 3)
2x(5x – y + 3) + y(5x – y + 3)
10x² – 2xy + 6x + 5xy – y² + 3y
10x² + 6x + 3xy + 3y – y²
Ответ:
4/3 is more than 1