Question

factorise it... 2(a²+b²)ab-10a²b²
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Answer 1

Step-by-step explanation:

We know the identity a

2

−b

2

=(a+b)(a−b)

Using the above identity, the given expression a

2

−b

2

−a+b can be factorised as follows:

a

2

−b

2

−a+b=[(a+b)(a−b)]−1(a−b)=(a−b)(a+b−1)

Hence, a

2

−b

2

−a+b=(a−b)(a+b−1)

Answer 2

Answer:

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