Question

(ii) (2a2 – 2b2) – (a2 – b2)​

Answer 1

Step-by-step explanation:

(2a²-2b²)-(a²-b²)

(a²-b²)

(a+b) (a-b)

no need to mark

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Answer 2

Step-by-step explanation:

(2a^2-2b^2)-(a^2-b^2)

2a^2-2b^2-a^2-b^2

2a^2-a^2-2b^2-b^2

a^2-b^2

(a+b)(a-b)