Respuesta :

6. I believe would be: -5nm

Answer:

6) 5nm(2m² - 3n)

7) 2(2x - 1)(x + 1)

Step-by-step explanation:

6)

10nm³ - 15n²m

5nm(2m² - 3n)

7)

4x² + 2x - 2

4x² + 4x - 2x - 2

4x(x + 1) - 2(x + 1)

(4x - 2)(x + 1)

2(2x - 1)(x + 1)