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20 votes
I really don't understand please help

I really don't understand please help-example-1
User Zyga
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8.4k points

2 Answers

11 votes

Answer:

Explanation:

User Alsein
by
7.9k points
7 votes
2.1: There are 5 terms.
2.2:
2.3: - 1
2.4: -3x^4, 2x^3, 5x^2, x, -1
2.5: 70
User DarkDeny
by
8.7k points

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