Question

what is the product of (x+y) (x-y) (x²+y²) is
please give me full written
solution please please please ​

Answer 1

(x+y)(x - y)(x²+y²)

(x²-y²)(x²+y²){(a+b)(a - b)=a²-b²}

x²(x²+y²)-y²(x²+y²)

x⁴+x²y²-x²y²-y⁴

x⁴-y⁴

Answer 2

Answer:

(x+y)(x

2

−xy+y

2

)

=x(x

2

−xy+y

2

)+y(x

2

−xy+y

2

)

=x

3

−x

2

y+xy

2

+x

2

y

−

xy

2

+y

3

=x

3

+y

3