Question

Factorise (a-b)² + (a-b)​

Answer 1

Answer:

$(a - b) \: (a - b + 1)$

Step-by-step explanation:

${(a - b)}^{2} + (a - b) \\ \\ = (a - b) \: (a - b + 1)$

Hope it helps

Answer 2

Answer:

a² + b² + a - b - 2ab

Step-by-step explanation:

(a - b)² + (a - b)

= a² + b² - 2ab + a - b

= a² + b² + a - b - 2ab