What is expand (x-y)/((x+y)^3) ?

The solution to expand (x-y)/((x+y)^3) is (x-y)/(x^3+3x^2y+3xy^2+y^3)

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

expand

\frac{x - y}{( x + y ) ^{3}}

\frac{x - y}{x ^{3} + 3 x ^{2} y + 3 x y ^{2} + y ^{3}}

Solution steps

\frac{x - y}{( x + y ) ^{3}}

(x + y)^{3} = x^{3} + 3 x^{2} y + 3 x y^{2} + y^{3}

= \frac{x - y}{x ^{3} + 3 x ^{2} y + 3 x y ^{2} + y ^{3}}

sin (x) (x^{2} - y^{2})

\frac{k x ^{3} + x ^{2} + k ^{2} x + 3 k ^{2} + 11}{x ( x ^{2} - 3 x )}

A (2, - 6, - 3) B (4, 3, 1)

3 x (3 x + 3Δ x)

(21 - 8 i) (1 - 2 i)

What is expand (x-y)/((x+y)^3) ?
The solution to expand (x-y)/((x+y)^3) is (x-y)/(x^3+3x^2y+3xy^2+y^3)