Question

Add: 3m² + 5m-7 and -4m² + 5​

Answer 1

Step-by-step explanation:

3m²+5m-7+(-4m²)+5

3m²+5m-7-4m²+5

-m²+5m-2

Answer 2

Answer:

-

$- {m }^{2} + 5m - 2$

Hope this helpful for you