What is expand (5x+12)/(x(x-7)(x+3)) ?

The solution to expand (5x+12)/(x(x-7)(x+3)) is (5x+12)/(x^3-4x^2-21x)

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expand (5x+12)/(x(x-7)(x+3))

expand

\frac{5 x + 12}{x ( x - 7 ) ( x + 3 )}

\frac{5 x + 12}{x ^{3} - 4 x ^{2} - 21 x}

Solution steps

\frac{5 x + 12}{x ( x - 7 ) ( x + 3 )}

Expand

x (x - 7) (x + 3) : x^{3} - 4 x^{2} - 21 x

= \frac{5 x + 12}{x ^{3} - 4 x ^{2} - 21 x}

5 (x + 9 = x - 3)

\frac{x ^{3}}{( x - 4 ) ( x + 3 )}

a + b (x - c)^{2}

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

2 x + 2 x - 2 x

What is expand (5x+12)/(x(x-7)(x+3)) ?
The solution to expand (5x+12)/(x(x-7)(x+3)) is (5x+12)/(x^3-4x^2-21x)