Question

factorise (a+b+c)2(a+b-c)2​

Answer 1

Answer:

= (a+b+c)2(a+b-c)2

= a+b+c×2a+2b-2c×2

= a+b+2ac+2b-4c

So,finally answer is

a+b+2ac+2b-4c

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