What is expand (x^2-21)/(x(x+2)) ?

The solution to expand (x^2-21)/(x(x+2)) is (x^2-21)/(x^2+2x)

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expand (x^2-21)/(x(x+2))

expand

\frac{x ^{2} - 21}{x ( x + 2 )}

\frac{x ^{2} - 21}{x ^{2} + 2 x}

Solution steps

\frac{x ^{2} - 21}{x ( x + 2 )}

Expand

x (x + 2) : x^{2} + 2 x

= \frac{x ^{2} - 21}{x ^{2} + 2 x}

\frac{8 e ^{x}}{( e ^{x} + 8 ) ^{2}}

\frac{5 π ( 20 10 - 2 )}{27}

y (x^{3} - 2 = 4 x y + y^{4})

5 (b)

[2 e - 11 f]^{2}

What is expand (x^2-21)/(x(x+2)) ?
The solution to expand (x^2-21)/(x(x+2)) is (x^2-21)/(x^2+2x)