x^3+8/x+2-x^3+2^3/x+2 eching

$$\frac { x ^ { 3 } + 8 } { x + 2 } - \frac { x ^ { 3 } + 2 ^ { 3 } } { x + 2 }$$

Baholash

$$0$$

Qisqa yechim qadamlari

\frac{x^{3}+8}{x+2} ichida hali faktorlanmagan ifodalarni faktorlang.

$$\frac{\left(x+2\right)\left(x^{2}-2x+4\right)}{x+2}-\frac{x^{3}+2^{3}}{x+2}$$

Surat va maxrajdagi ikkala x+2 ni qisqartiring.

$$x^{2}-2x+4-\frac{x^{3}+2^{3}}{x+2}$$

3 daraja ko‘rsatkichini 2 ga hisoblang va 8 ni qiymatni oling.

$$x^{2}-2x+4-\frac{x^{3}+8}{x+2}$$

\frac{x^{3}+8}{x+2} ichida hali faktorlanmagan ifodalarni faktorlang.

$$x^{2}-2x+4-\frac{\left(x+2\right)\left(x^{2}-2x+4\right)}{x+2}$$

Surat va maxrajdagi ikkala x+2 ni qisqartiring.

$$x^{2}-2x+4-\left(x^{2}-2x+4\right)$$

x^{2}-2x+4 teskarisini topish uchun har birining teskarisini toping.

$$x^{2}-2x+4-x^{2}+2x-4$$

0 ni olish uchun x^{2} va -x^{2} ni birlashtirish.

$$-2x+4+2x-4$$

0 ni olish uchun -2x va 2x ni birlashtirish.

$$4-4$$

0 olish uchun 4 dan 4 ni ayirish.

$$0$$

Omil

$$0$$