Question

9. x(x + y)^3 - 3x²y(x + y)​

Answer 1

Step-by-step explanation:

............hpoe it hels

Answer 2

Answer:

x(x + y)(x^2 + y^2 - xy).

Step-by-step explanation:

Equation =  x(x + y)^3 - 3x^2y(x + y)

=  x(x + y)(x + y)(x + y) - 3x*xy(x + y)

 =  x(x + y)[(x + y)(x + y) - 3xy]

 =  x(x + y)[(x + y)^2 - 3xy]

 =  x(x + y)[(x^2 + y^2 + 2xy - 3xy)]

 =  x(x + y)(x^2 + y^2 - xy).

may be it is helpful for you

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