Question

(x + y)^3–(x – y)^3​

Answer 1

Answer:

hope it helped...

Step-by-step explanation:

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Answer 2

Answer:2y(3x^2+y^2)

Step-by-step explanation:

(x+y)^3 -(x-y)^3

[x^3+y^3+3xy(x+y)]-[x^3-y^3-3xy(x-y)]

[x^3+y^3+3x^2y+3xy^2]-[x^3-y^3-3x^2y+3xy^2]

[x^3+y^3+3x^2y+3xy^2-x^3+y^3+3x^2y-3xy^2]

[x^3-x^3+y^3+y^3+3x^2y+3x^2y+3xy^2-3xy^2]

2y^3+6x^2y

2y(y^2+3x^2)

2y(3x^2+y^2)