Issolvi 0.2(0.4)^3+1.6(0.4)^2-2.3

$$0.2 ( 0.4 ) ^ { 3 } + 1.6 ( 0.4 ) ^ { 2 } - 2.3$$

Evalwa

$$-2.0312$$

Passi tas-Soluzzjonijiet

Ikkalkula 0.4 bil-power ta' 3 u tikseb 0.064.

$$0.2\times 0.064+1.6\times 0.4^{2}-2.3$$

Immultiplika 0.2 u 0.064 biex tikseb 0.0128.

$$0.0128+1.6\times 0.4^{2}-2.3$$

Ikkalkula 0.4 bil-power ta' 2 u tikseb 0.16.

$$0.0128+1.6\times 0.16-2.3$$

Immultiplika 1.6 u 0.16 biex tikseb 0.256.

$$0.0128+0.256-2.3$$

Żid 0.0128 u 0.256 biex tikseb 0.2688.

$$0.2688-2.3$$

Naqqas 2.3 minn 0.2688 biex tikseb -2.0312.

$$-2.0312$$

Fattur

$$-2.0312$$