tkook1235yoyo tkook1235yoyo

24-09-2020
Mathematics

contestada

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

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fluffybear fluffybear

24-09-2020

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

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Аноним Аноним

24-09-2020

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

Answer Link

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