What is expand (3x(x^2-5))/(x^2-1) ?

The solution to expand (3x(x^2-5))/(x^2-1) is (3x^3-15x)/(x^2-1)

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expand (3x(x^2-5))/(x^2-1)

expand

\frac{3 x ( x ^{2} - 5 )}{x ^{2} - 1}

\frac{3 x ^{3} - 15 x}{x ^{2} - 1}

Solution steps

\frac{3 x ( x ^{2} - 5 )}{x ^{2} - 1}

Expand

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

= \frac{3 x ^{3} - 15 x}{x ^{2} - 1}

\frac{40 ( 4 cos ( 40 t ) - sin ( 40 t ) )}{17}

\frac{( - x ^{2} cos ( x ) + 2 ( x sin ( x ) + cos ( x ) ) )}{x}

(- 2.9 e^{- (0.4 x - 2.4)} + 12.4)^{2}

\frac{d}{d x} ((e^{(- 0.5 x)}) \cdot (4 - x)) - 2

1 - 2 x + x^{2} (m + e)

What is expand (3x(x^2-5))/(x^2-1) ?
The solution to expand (3x(x^2-5))/(x^2-1) is (3x^3-15x)/(x^2-1)