Evalwa
20-\frac{1800}{x}+\frac{72000}{x^{2}}
Espandi
20-\frac{1800}{x}+\frac{72000}{x^{2}}
Graff
Sehem
Ikkupjat fuq il-klibbord
\frac{1}{5}\left(\frac{\left(x-90\right)x}{x}+\frac{3600}{x}\right)\times \frac{100}{x}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika x-90 b'\frac{x}{x}.
\frac{1}{5}\times \frac{\left(x-90\right)x+3600}{x}\times \frac{100}{x}
Billi \frac{\left(x-90\right)x}{x} u \frac{3600}{x} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.
\frac{1}{5}\times \frac{x^{2}-90x+3600}{x}\times \frac{100}{x}
Agħmel il-multiplikazzjonijiet fi \left(x-90\right)x+3600.
\frac{x^{2}-90x+3600}{5x}\times \frac{100}{x}
Immultiplika \frac{1}{5} b'\frac{x^{2}-90x+3600}{x} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.
\frac{\left(x^{2}-90x+3600\right)\times 100}{5xx}
Immultiplika \frac{x^{2}-90x+3600}{5x} b'\frac{100}{x} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.
\frac{20\left(x^{2}-90x+3600\right)}{xx}
Annulla 5 fin-numeratur u d-denominatur.
\frac{20\left(x^{2}-90x+3600\right)}{x^{2}}
Immultiplika x u x biex tikseb x^{2}.
\frac{20x^{2}-1800x+72000}{x^{2}}
Uża l-propjetà distributtiva biex timmultiplika 20 b'x^{2}-90x+3600.
\frac{1}{5}\left(\frac{\left(x-90\right)x}{x}+\frac{3600}{x}\right)\times \frac{100}{x}
Biex iżżid jew tnaqqas l-espressjonijiet, espandihom biex id-denominaturi tagħhom ikunu l-istess. Immultiplika x-90 b'\frac{x}{x}.
\frac{1}{5}\times \frac{\left(x-90\right)x+3600}{x}\times \frac{100}{x}
Billi \frac{\left(x-90\right)x}{x} u \frac{3600}{x} għandhom l-istess denominatur, żidhom billi żżid in-numeraturi tagħhom.
\frac{1}{5}\times \frac{x^{2}-90x+3600}{x}\times \frac{100}{x}
Agħmel il-multiplikazzjonijiet fi \left(x-90\right)x+3600.
\frac{x^{2}-90x+3600}{5x}\times \frac{100}{x}
Immultiplika \frac{1}{5} b'\frac{x^{2}-90x+3600}{x} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.
\frac{\left(x^{2}-90x+3600\right)\times 100}{5xx}
Immultiplika \frac{x^{2}-90x+3600}{5x} b'\frac{100}{x} billi timmultiplika n-numeratur bin-numeratur u d-denominatur bid-denominatur.
\frac{20\left(x^{2}-90x+3600\right)}{xx}
Annulla 5 fin-numeratur u d-denominatur.
\frac{20\left(x^{2}-90x+3600\right)}{x^{2}}
Immultiplika x u x biex tikseb x^{2}.
\frac{20x^{2}-1800x+72000}{x^{2}}
Uża l-propjetà distributtiva biex timmultiplika 20 b'x^{2}-90x+3600.
Eżempji
Ekwazzjoni kwadratika
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Ekwazzjoni lineari
y = 3x + 4
Aritmetika
699 * 533
Matriċi
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Ekwazzjoni simultanja
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differenzazzjoni
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integrazzjoni
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limiti
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}