IF U ANSWER CORRECTLY WITH WORK I GIVEBRSINLIEST AND 100 POINTS

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)