Question

(2m² + 6m) + (m² – 5m +7)

а. Зm² + m
b. Зm² - m +7
с. m² + 11m - 7
d. 3m² + m +7​

Answer 1

3m² + m + 7​

Step-by-step 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 2

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