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22.01.2021 •
Mathematics
Simplify: (3n^2-7n)+(7n^2+n+1)
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Ответ:
21n^4 -46n^3 -4n^2 +7n
Step-by-step explanation:
21n^4 +3n^3 +3n^2 -49n^3 -7n^2 +7n =
21n^4 -46n^3 -4n^2 +7n
Ответ:
and they was eating the chips with everybody thankyou
Step-by-step explanation: