Issolvi 15(5)^3-14(5)^2+12(5)-20

$$15 ( 5 ) ^ { 3 } - 14 ( 5 ) ^ { 2 } + 12 ( 5 ) - 20$$

Evalwa

$$1565$$

Passi tas-Soluzzjonijiet

Ikkalkula 5 bil-power ta' 3 u tikseb 125.

$$15\times 125-14\times 5^{2}+12\times 5-20$$

Immultiplika 15 u 125 biex tikseb 1875.

$$1875-14\times 5^{2}+12\times 5-20$$

Ikkalkula 5 bil-power ta' 2 u tikseb 25.

$$1875-14\times 25+12\times 5-20$$

Immultiplika 14 u 25 biex tikseb 350.

$$1875-350+12\times 5-20$$

Naqqas 350 minn 1875 biex tikseb 1525.

$$1525+12\times 5-20$$

Immultiplika 12 u 5 biex tikseb 60.

$$1525+60-20$$

Żid 1525 u 60 biex tikseb 1585.

$$1585-20$$

Naqqas 20 minn 1585 biex tikseb 1565.

$$1565$$

Fattur

$$5\times 313$$