Question

simplify using identities (x+y)(x-y)(x+y)​

Answer 1

Answer:

x3+x2y−xy2−y3

Step-by-step explanation:

(x+y)(x−y)(x+y)

=((x+y)(x−y))(x+y)

=((x+y)(x−y))(x)+((x+y)(x−y))(y)

=x3−xy2+x2y−y3

=x3+x2y−xy2−y3