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19-03-2022
Mathematics

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what is [7a-21a+10b]*[2a+5b]

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Аноним Аноним

19-03-2022

Answer:

-28a2 - 50ab + 50b2

Step-by-step explanation:

[7a-21a+10b]*[2a+5b]

[-14 + 10b]*[2a+5b]

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