Respuesta :

Answer:

3m+2n² − (7m — 5n²)

1. Simplify

Rearrange terms

3m+2n² - (7m - 5n²)

3m+2n² - (-5n²+7m)

2. Distribute

3m+2n² - (-5n²+7m)

3m+2n²+5n² - 7m

3. Combine like terms

3m+2n² + 5n² - 7m

3m+7n² - 7m

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Answer:

-4m+7n^2

Step-by-step explanation:

3m+ 2n^2 - (7m-5n^2)

Distribute the minus sign

3m+ 2n^2 - 7m+5n^2

Combine like terms

3m-7m+2n^2+5n^2

-4m+7n^2