Question

Simplificati
$x^{3}$ - 2x$^{2}$supra x la patrat - 4
Va rog

Answer 1

$\frac{ x^{2} (x-2)}{(x-2)(x+2)} = \frac{ x^{2} }{x+2}$

Answer 2

$\dfrac{x^3-2x^2}{x^2-4}=\dfrac{x^2(x-2)}{(x-2)(x+2)}=\dfrac{X^2}{x+2}\forall\ x\in \mathbb{R}\ \backslash \{\pm 2\}$