What is expand (x^2+12x-9)/((x+3)(x-3)) ?

The solution to expand (x^2+12x-9)/((x+3)(x-3)) is (x^2+12x-9)/(x^2-9)

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expand (x^2+12x-9)/((x+3)(x-3))

expand

\frac{x ^{2} + 12 x - 9}{( x + 3 ) ( x - 3 )}

\frac{x ^{2} + 12 x - 9}{x ^{2} - 9}

Solution steps

\frac{x ^{2} + 12 x - 9}{( x + 3 ) ( x - 3 )}

Expand

(x + 3) (x - 3) : x^{2} - 9

= \frac{x ^{2} + 12 x - 9}{x ^{2} - 9}

x^{2} + (3 - 1) x - 3

\frac{( a - 1 ) ^{4}}{4}

\frac{x - 2}{( x - 3 ) ( x + 4 )}

\frac{3}{( 2 s + 4 ) ^{2}}

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

What is expand (x^2+12x-9)/((x+3)(x-3)) ?
The solution to expand (x^2+12x-9)/((x+3)(x-3)) is (x^2+12x-9)/(x^2-9)