Question

factorise (a-b) +(a-b) 2
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Answer 1

Step-by-step explanation:

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

= (a-b) (1 + 2)

=(a-b) 3

Answer 2

Answer:

(2+1)(a-b)

Step-by-step explanation:

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

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

(1+2) (a-b)