(x-1)(x+2)-(x-2)(x+1)-(2x-33) eching

$$(x-1)(x+2)-(x-2)(x+1)-(2x-33)$$

Baholash

$$33$$

Yechim qadamlari

x-1 ifodaning har bir elementini x+2 ifodaning har bir elementiga ko‘paytirish orqali taqsimot qonuni xususiyatlarini qo‘llash mumkin.

$$x^{2}+2x-x-2-\left(x-2\right)\left(x+1\right)-\left(2x-33\right)$$

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

$$x^{2}+x-2-\left(x-2\right)\left(x+1\right)-\left(2x-33\right)$$

x-2 ifodaning har bir elementini x+1 ifodaning har bir elementiga ko‘paytirish orqali taqsimot qonuni xususiyatlarini qo‘llash mumkin.

$$x^{2}+x-2-\left(x^{2}+x-2x-2\right)-\left(2x-33\right)$$

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

$$x^{2}+x-2-\left(x^{2}-x-2\right)-\left(2x-33\right)$$

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

$$x^{2}+x-2-x^{2}-\left(-x\right)-\left(-2\right)-\left(2x-33\right)$$

-x ning teskarisi x ga teng.

$$x^{2}+x-2-x^{2}+x-\left(-2\right)-\left(2x-33\right)$$

-2 ning teskarisi 2 ga teng.

$$x^{2}+x-2-x^{2}+x+2-\left(2x-33\right)$$

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

$$x-2+x+2-\left(2x-33\right)$$

2x ni olish uchun x va x ni birlashtirish.

$$2x-2+2-\left(2x-33\right)$$

0 olish uchun -2 va 2'ni qo'shing.

$$2x-\left(2x-33\right)$$

2x-33 teskarisini topish uchun har birining teskarisini toping.

$$2x-2x-\left(-33\right)$$

-33 ning teskarisi 33 ga teng.

$$2x-2x+33$$

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

$$33$$

Omil

$$3\times 11$$