Question

factorie a^2 +2ab+b^2-c^2

Answer 1

Answer:

−2ab+b

2

−c

2

=(a−b)

2

−c

2

(∵(x−y)

2

=x

2

−2xy+y

2

)

=(a−b+c)(a−b−c)(∵x

2

−y

2

=(x−y)(x+y

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