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Ede4ka [16]
2 years ago
15

(3n³ - 5n + n²) - (-8n² + 3n³) please shawty please

Mathematics
2 answers:
elixir [45]2 years ago
8 0

Answer:

9n^2 - 5n

Step-by-step explanation:

(3n^3 - 5n + n^2) - (-8n^2 + 3n^3)

Lets open the brackets. Signs of all the terms in the bracket next to the minus sign will change.

=> 3n^3 - 5n + n^2 + 8n^2 - 3n^3

Now lets add/substract all the like terms with each other.

=> 3n^3  - 3n^3  + n^2 + 8n^2 - 5n

=> 9n^2 - 5n \: \: or \:\: n(9n - 5)

satela [25.4K]2 years ago
3 0

Answer:

Step-by-step explanation:

3n^3-5n+n^2+8n^2-3n^3\\ \\ 9n^2-5n\\ \\ or\ n(9n-5)

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