Question

Factorise : x^2 -1 -2a - a^2 Note - Please Do It Using 9th Grade Identities and Don't Skip Steps...

Answer 1

Answer:

Answer for the problem is given.

Step-by-step explanation:

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Answer 2

Answer:

x²-1-2a-a²

=x²-[1+2a+a²]

=x²-[1+a+a+a²]

=x²-[1(1+a)+a(1+a)]

=x²-(1+a)(1+a)

=(x)²-(1+a)²

=(x+1+a)(x-1-a)