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Talja [164]
3 years ago
7

Find the sum thank you

Mathematics
1 answer:
ivann1987 [24]3 years ago
3 0

Answer:

2x^3 -x

Step-by-step explanation:

x^3 -2x +2x^2 + x^3 -2x^2 +x

Combine like terms

x^3 + x^3   +2x^2 - 2x^2   -2x +x

2x^3 -x

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3 years ago
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Vera_Pavlovna [14]

Answer:

  a_n = 2^n + 3

Step-by-step explanation:

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First differences are ...

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Answer:

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Step-by-step explanation:

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choli [55]

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Step-by-step explanation:

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Note:

or - add

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I need to know number 5 just what it says thank you
Stels [109]

Answer:

C

Step-by-step explanation:

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