What is expand ((x+y-1)^2)/(x+y) ?

The solution to expand ((x+y-1)^2)/(x+y) is (2xy+x^2-2x+y^2-2y+1)/(x+y)

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expand ((x+y-1)^2)/(x+y)

expand

\frac{( x + y - 1 ) ^{2}}{x + y}

\frac{2 x y + x ^{2} - 2 x + y ^{2} - 2 y + 1}{x + y}

Solution steps

\frac{( x + y - 1 ) ^{2}}{x + y}

(x + y - 1)^{2} = 2 x y + x^{2} - 2 x + y^{2} - 2 y + 1

= \frac{2 x y + x ^{2} - 2 x + y ^{2} - 2 y + 1}{x + y}

(t^{3} e^{t} + 2 e)^{2}

\frac{( n + 1 ) ( 6 n ^{4} + 9 n ^{3} + n ^{2} - n )}{30}

\frac{x + 1 + 2 x ^{3} + 3 x ^{2}}{x ^{2} ( x + 1 )}

\frac{1}{1 - \frac{v ^{2}}{c ^{2}}}

\frac{1}{x ( 1 + t x )}

What is expand ((x+y-1)^2)/(x+y) ?
The solution to expand ((x+y-1)^2)/(x+y) is (2xy+x^2-2x+y^2-2y+1)/(x+y)