ronii73
05.03.2021 •
Mathematics
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Ответ:
o t
Ответ:
Thank you and have a good day. :)
Ответ:
B. 3x⁷ + 7x⁴ - 2x + 7
Step-by-step explanation:
(3x⁷ + 8x⁴ + 7) - (x⁴ - 2x)
= 3x⁷ + 8x⁴ - x⁴ - 2x + 7
= 3x⁷ + 7x⁴ - 2x + 7