Issolvi -3|1-5|+2(3-5)^2/(4-8)^2+2(-1)^15

$$\frac { - 3 | 1 - 5 | + 2 ( 3 - 5 ) ^ { 2 } } { ( 4 - 8 ) ^ { 2 } + 2 ( - 1 ) ^ { 15 } }$$

Evalwa

$$-\frac{2}{7}\approx -0.285714286$$

Passi tas-Soluzzjonijiet

Naqqas 5 minn 1 biex tikseb -4.

$$\frac{-3|-4|+2\left(3-5\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Il-valur assolut ta' numru reali a huwa a meta a\geq 0, jew -a meta a<0. Il-valur assolut ta' -4 huwa 4.

$$\frac{-3\times 4+2\left(3-5\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Immultiplika -3 u 4 biex tikseb -12.

$$\frac{-12+2\left(3-5\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Naqqas 5 minn 3 biex tikseb -2.

$$\frac{-12+2\left(-2\right)^{2}}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Ikkalkula -2 bil-power ta' 2 u tikseb 4.

$$\frac{-12+2\times 4}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Immultiplika 2 u 4 biex tikseb 8.

$$\frac{-12+8}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Żid -12 u 8 biex tikseb -4.

$$\frac{-4}{\left(4-8\right)^{2}+2\left(-1\right)^{15}}$$

Naqqas 8 minn 4 biex tikseb -4.

$$\frac{-4}{\left(-4\right)^{2}+2\left(-1\right)^{15}}$$

Ikkalkula -4 bil-power ta' 2 u tikseb 16.

$$\frac{-4}{16+2\left(-1\right)^{15}}$$

Ikkalkula -1 bil-power ta' 15 u tikseb -1.

$$\frac{-4}{16+2\left(-1\right)}$$

Immultiplika 2 u -1 biex tikseb -2.

$$\frac{-4}{16-2}$$

Naqqas 2 minn 16 biex tikseb 14.

$$\frac{-4}{14}$$

Naqqas il-frazzjoni \frac{-4}{14} għat-termini l-aktar baxxi billi testratta u tikkanċella barra 2.

$$-\frac{2}{7}$$

Fattur

$$-\frac{2}{7} = -0.2857142857142857$$