What is expand ((x-5)(x+3))/x ?

The solution to expand ((x-5)(x+3))/x is x-2-(15)/x

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expand ((x-5)(x+3))/x

expand

\frac{( x - 5 ) ( x + 3 )}{x}

x - 2 - \frac{15}{x}

Solution steps

\frac{( x - 5 ) ( x + 3 )}{x}

Expand

(x - 5) (x + 3) : x^{2} - 2 x - 15

= \frac{x ^{2} - 2 x - 15}{x}

Apply the fraction rule:

\frac{a \pm b}{c} = \frac{a}{c} \pm \frac{b}{c}

\frac{x ^{2} - 2 x - 15}{x} = \frac{x ^{2}}{x} - \frac{2 x}{x} - \frac{15}{x}

= \frac{x ^{2}}{x} - \frac{2 x}{x} - \frac{15}{x}

Cancel

\frac{x ^{2}}{x} : x

= x - \frac{2 x}{x} - \frac{15}{x}

Cancel

\frac{2 x}{x} : 2

= x - 2 - \frac{15}{x}

\frac{n ( n + 1 ) ( n - 1 )}{3}

A (3, - 2, 1)

\frac{a}{s ( 1 + T s )}

\frac{x + 4}{( x - 1 ) ^{2}}

(\frac{1 - 4 y}{3})^{2}

What is expand ((x-5)(x+3))/x ?
The solution to expand ((x-5)(x+3))/x is x-2-(15)/x