Question

simplify (x-³+y-³)-¹
please explain it with process then I will mark you as Brainliest​

Answer 1

Answer:

$8y3$

Step-by-step explanation:

=(x+y)

3

−(x−y)

3

−6y(x

2

−y

2

)

=(x+y)

3

−(x−y)

3

−6y(x−y)(x+y)

=(x+y)

3

−(x−y)((x−y)

2

+6y(x+y))

=(x+y)

3

−(x−y)(x

2

+y

2

−2xy+6xy+6y

2

)

=(x+y)

3

−(x−y)(x

2

+7y

2

+4xy)

=x

3

+y

3

+3x

2

y+3xy

2

−x

3

−7xy

2

−4x

2

y+x

2

y+7y

3

+4xy

2

=8y3