Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$= \frac { 2 x ^ { 2 } - 9 } { x ^ { 2 } - 4 }$$

Evaluate

$\frac{2x^{2}-9}{x^{2}-4}$

Expand

$\frac{2x^{2}-9}{x^{2}-4}$

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