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

The solution to expand ((5x+2)(2x+1))/((x-3)(x+3)) is (10x^2+9x+2)/(x^2-9)

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

expand

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

\frac{10 x ^{2} + 9 x + 2}{x ^{2} - 9}

Solution steps

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

Expand

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

= \frac{( 5 x + 2 ) ( 2 x + 1 )}{x ^{2} - 9}

Expand

(5 x + 2) (2 x + 1) : 10 x^{2} + 9 x + 2

= \frac{10 x ^{2} + 9 x + 2}{x ^{2} - 9}

\frac{1}{2} sin (2 (x + t)) + \frac{1}{2} sin (2 (x - t))

(19417600 = 6000000 \cdot t + 46000000) \cdot 0.0269

- 5 (x + 3 y = 13)

(y = 2,) (x = + 1)

\frac{16 + 6 s ^{2}}{s ^{2} ( s + 4 )}

What is expand ((5x+2)(2x+1))/((x-3)(x+3)) ?
The solution to expand ((5x+2)(2x+1))/((x-3)(x+3)) is (10x^2+9x+2)/(x^2-9)