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3 years ago

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

Mathematics

2 answers:

grigory [225]3 years ago

4 0

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

pychu [463]3 years ago

4 0

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

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