Question

The factors of (n - m) a + (m – n) b are

Answer 1

Answer:

(a - b), (n - m)

Step-by-step explanation:

(n - m) a + (m - n) b = an - am + bm - bn

= an - bn - am + bm

= (a - b) n - (a - b) m

= (a - b) (n -m)

Factors = (a - b), (n - m)