Question

14. Factorise m(m – 1) – n(n -1).

Answer 1

Answer:

0 is answer

because m is out from braket and 1-1 =0

Answer 2

Answer:

m (m - 1) - n ( n - 1)

m² - m - n ² - n

(m² - n²) - (m + n)

( m+ n) ( m - n) - (m + n)

Step-by-step explanation:

I think this will help you out..