Question

m(m - 1) – n(n − 1) give full explanation to be mark as brainlest ​

Answer 1

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

m² - m - n ( n - 1 )

m² - m - ( n² - n )

m² - m - n² - ( - n )

m² - m - n² + n

Answer 2

Answer : Prove it then I will mark u as brainliest

Bhai asha tukka mat mara karo hamko smaj ah jatta hai