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Monica [59]
3 years ago
15

(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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