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I need to do these math problems. Can some one help?

I need to do these math problems. Can some one help?
23.9k views
3 votes
I need to do these math problems. Can some one help?

I need to do these math problems. Can some one help?-example-1
User Christopher Stott
by
7.8k points

1 Answer

3 votes

Answer:

2. 4.9x^5 - 5x^3 + 2.3

3. 78x^6 y^3 z^3

4. 6x^2 + 14x - 12

8. 9mnr^2 - 10m^2 + 7n - 14m^2 n

9. 81x^3 y + 45 x^2 y^2 - 9xy^4

User Jeremy Voisey
by
8.4k points
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