What is expand ((x+1)(x-1))/(3(x+5)(x-5)) ?

The solution to expand ((x+1)(x-1))/(3(x+5)(x-5)) is (x^2-1)/(3x^2-75)

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expand ((x+1)(x-1))/(3(x+5)(x-5))

expand

\frac{( x + 1 ) ( x - 1 )}{3 ( x + 5 ) ( x - 5 )}

\frac{x ^{2} - 1}{3 x ^{2} - 75}

Solution steps

\frac{( x + 1 ) ( x - 1 )}{3 ( x + 5 ) ( x - 5 )}

Expand

3 (x + 5) (x - 5) : 3 x^{2} - 75

= \frac{( x + 1 ) ( x - 1 )}{3 x ^{2} - 75}

Expand

(x + 1) (x - 1) : x^{2} - 1

= \frac{x ^{2} - 1}{3 x ^{2} - 75}

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

9 (π + 2)

(3 x^{2}) (3 e^{x} + c) + 3 e^{x} x^{3}

(x y^{2} - x) d x + (x^{2} y + y)

\frac{6 x - 1}{x ( x - 3 )}

What is expand ((x+1)(x-1))/(3(x+5)(x-5)) ?
The solution to expand ((x+1)(x-1))/(3(x+5)(x-5)) is (x^2-1)/(3x^2-75)