Respuesta :

Step-by-step explanation:

We have,

a ^2 −(b−c) ^2

Since, x ^2 −y ^2 =(x+y)(x−y)

Thus,

⇒[a−(b−c)][a+(b−c)]

⇒(a−b+c)(a+b−c)

Hence, this is the answer.

I hope it's helpful!