(2m² + 6m) + (m² – 5m +7) а. Зm² + m b. Зm² – m +7 с. m² + 11m – 7 d. 3m² + m +7​

Question

(2m² + 6m) + (m² – 5m +7)
а. Зm² + m
b. Зm² – m +7
с. m² + 11m – 7
d. 3m² + m +7​

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Thu Thảo 2 months 2021-07-25T02:59:07+00:00 2 Answers 2 views 0

Answers ( )

    0
    2021-07-25T03:00:33+00:00

    The answer is D. 3m^2 + m + 7 !!

    0
    2021-07-25T03:00:43+00:00

    Answer:

    3m² + m + 7​

    Explanation:

    (2m² + 6m) + (m² – 5m + 7)

    Remove Parenthesis

    2m² + 6m + m² – 5m + 7

    Group Like Terms

    2m² + m² + 6m – 5m + 7

    Add Similar Elements

    2m² + m²: 3m²

    6m – 5m = m

    3m² + m + 7

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