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27 March, 22:54

1) (3m² + m - 5) + (3 - 6m² + 4m + 5m)

A 4m5 - 3m² + 6m - 2

B) 4m - 3m2 - 4m - 2

C) 4m - 3m2 - m-2

D) 4m + 3m2 - 4m - 2

+5
Answers (1)
  1. 28 March, 01:19
    0
    The answer to your question is: It could be letter A but power 5 is not necessary.

    Step-by-step explanation:

    Simplify like terms

    1. - Remove parenthesis

    (3m² + m - 5) + (3 - 6m² + 4m + 5m)

    3m² + m - 5 + 3 - 6m² + 4m + 5m

    2. - Group like terms

    (3m² - 6m²) + (m + 4m + 5m) + (3 - 5)

    3. - Simplify

    - 3m² + 10m - 2
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