Question

Factorise the following:- x^2-1_2y-y^2​

Answer 1

Answer:

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Answer 2

Answer:x²-1-2y-y²

x²-(y²+2y+1) (By (a+b)²=a²+b²+2ab)

x²-(y+1)²

Now,we know that ,a²-b²=(a+b)(a-b)

From this,(x+y+1)(x-y-1)

Step-by-step explanation:

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