f(-3)=(-3)^3-2(-3)^2/(-3)^2-4 eching

$$f ( - 3 ) = \frac { ( - 3 ) ^ { 3 } - 2 ( - 3 ) ^ { 2 } } { ( - 3 ) ^ { 2 } - 4 }$$

Baholash

$$-9$$

Yechim qadamlari

3 daraja ko‘rsatkichini -3 ga hisoblang va -27 ni qiymatni oling.

$$\frac{-27-2\left(-3\right)^{2}}{\left(-3\right)^{2}-4}$$

2 daraja ko‘rsatkichini -3 ga hisoblang va 9 ni qiymatni oling.

$$\frac{-27-2\times 9}{\left(-3\right)^{2}-4}$$

18 hosil qilish uchun 2 va 9 ni ko'paytirish.

$$\frac{-27-18}{\left(-3\right)^{2}-4}$$

-45 olish uchun -27 dan 18 ni ayirish.

$$\frac{-45}{\left(-3\right)^{2}-4}$$

2 daraja ko‘rsatkichini -3 ga hisoblang va 9 ni qiymatni oling.

$$\frac{-45}{9-4}$$

5 olish uchun 9 dan 4 ni ayirish.

$$\frac{-45}{5}$$

-9 ni olish uchun -45 ni 5 ga bo‘ling.

$$-9$$

Omil

$$-9$$