Question

Factorise (a - b)2 + (a - b)

Answer 1

Answer:

(a-b)2 + (a-b)

= a2-b2 + a - b

= a2 +a - b2 -b

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

Step-by-step explanation:

Answer 2

Step-by-step explanation:

(a-b)² + (a-b)

= (a-b)[ (a-b) + 1]

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