Math, asked by sow58, 1 year ago

factorise
a(a-1)-b(b-1)​

Answers

Answered by sayanxyz96
3

Answer:

(a-b){(a+b)+1}

Step-by-step explanation:

a(a-1)-b(b-1)=a2-a-b2+b=a2-b2-a+b=(a+b)(a-b)-(a-b)=(a-b){(a+b)+1}

Answered by tushar0007
10

a(a - 1) - b(b - 1)

= a² - a - b² + b

= a² - b² - a + b

= (a - b)(a + b) - a + b

= (a - b)(a + b - 1).

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