What is expand (2(t-15))/((t+1)^3) ?

The solution to expand (2(t-15))/((t+1)^3) is (2t-30)/(t^3+3t^2+3t+1)

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expand (2(t-15))/((t+1)^3)

expand

\frac{2 ( t - 15 )}{( t + 1 ) ^{3}}

\frac{2 t - 30}{t ^{3} + 3 t ^{2} + 3 t + 1}

Solution steps

\frac{2 ( t - 15 )}{( t + 1 ) ^{3}}

(t + 1)^{3} = t^{3} + 3 t^{2} + 3 t + 1

= \frac{2 ( t - 15 )}{t ^{3} + 3 t ^{2} + 3 t + 1}

Expand

2 (t - 15) : 2 t - 30

= \frac{2 t - 30}{t ^{3} + 3 t ^{2} + 3 t + 1}

(2 x - 3 y = 6) \cdot \frac{1}{6}

3 l e f t (x + 4 + 9 r i g h t) 6 (25 + 6 z + 10)

\frac{f ( 4 + h ) - f ( x )}{h}

\frac{A}{s ( B s + 1 )}

\frac{cos ( 3 ) ( π + x )}{12}

What is expand (2(t-15))/((t+1)^3) ?
The solution to expand (2(t-15))/((t+1)^3) is (2t-30)/(t^3+3t^2+3t+1)