075*400x+09*360*(80-x)geq280000 eching

$$075 \times 400x+09 \times 360 \times (80-x) \geq 280000$$

Baholash (complex solution)

Yechim qadamlari

0 hosil qilish uchun 0 va 75 ni ko'paytirish. 0 hosil qilish uchun 0 va 9 ni ko'paytirish.

$$0\times 400x+0\times 360\left(80-x\right)\geq 280000$$

0 hosil qilish uchun 0 va 400 ni ko'paytirish.

$$0x+0\times 360\left(80-x\right)\geq 280000$$

Har qanday sonni nolga ko‘paytirsangiz, nol chiqadi.

$$0+0\times 360\left(80-x\right)\geq 280000$$

0 hosil qilish uchun 0 va 360 ni ko'paytirish.

$$0+0\left(80-x\right)\geq 280000$$

Har qanday sonni nolga ko‘paytirsangiz, nol chiqadi.

$$0+0\geq 280000$$

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

$$0\geq 280000$$

0 va 280000 ni taqqoslang.

$$\text{false}$$