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

The solution to expand (1+3x)/((1+2x)^3) is (1+3x)/(1+6x+12x^2+8x^3)

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expand (1+3x)/((1+2x)^3)

expand

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

\frac{1 + 3 x}{1 + 6 x + 12 x ^{2} + 8 x ^{3}}

Solution steps

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

(1 + 2 x)^{3} = 1 + 6 x + 12 x^{2} + 8 x^{3}

= \frac{1 + 3 x}{1 + 6 x + 12 x ^{2} + 8 x ^{3}}

\frac{8}{( s + 1 ) ( s ^{2} + 4 )}

\frac{ln ( ( x - 7 ) ( x - 9 ) )}{ln ( a x + b )}

\frac{( x ^{2} y + x y ^{2} ) ^{2}}{x y + x + y}

\frac{2}{( s + 1 ) \cdot ( s + 2 )}

(e^{x} sin (x) + e^{x} cos (x))^{2}

What is expand (1+3x)/((1+2x)^3) ?
The solution to expand (1+3x)/((1+2x)^3) is (1+3x)/(1+6x+12x^2+8x^3)