9(t-1)-2(2t+3)-5(t+3) eching

$$9 ( t - 1 ) - 2 ( 2 t + 3 ) - 5 ( t + 3 )$$

Baholash

$$-30$$

Yechim qadamlari

9 ga t-1 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$9t-9-2\left(2t+3\right)-5\left(t+3\right)$$

-2 ga 2t+3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$9t-9-4t-6-5\left(t+3\right)$$

5t ni olish uchun 9t va -4t ni birlashtirish.

$$5t-9-6-5\left(t+3\right)$$

-15 olish uchun -9 dan 6 ni ayirish.

$$5t-15-5\left(t+3\right)$$

-5 ga t+3 ni ko'paytirish orqali distributiv xususiyatdan foydalanish.

$$5t-15-5t-15$$

0 ni olish uchun 5t va -5t ni birlashtirish.

$$-15-15$$

-30 olish uchun -15 dan 15 ni ayirish.

$$-30$$

Omil

$$-30$$