Question

x² - 4
--------
x² - x - 2
Simplificati fractia​​

Answer 1

Explicație pas cu pas:

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Answer 2

$\it \dfrac{x^2-4}{x^2-x-2}=\dfrac{x^2-2^2}{x-2x+x-2}=\dfrac{(x-2)(x+2)}{x(x-2)+(x-2)}=\\ \\ \\ =\dfrac{(x-2)(x+2)}{(x-2)(x+1)}=\dfrac{x+2}{x+1}$