Ovrednoti
\frac{n^{2}-9n-34}{2}
Razširi
\frac{n^{2}}{2}-\frac{9n}{2}-17
Delež
Kopirano v odložišče
n-11+\left(\frac{1}{2}n+\frac{1}{2}\right)\left(n-12\right)
Uporabite distributivnost, da pomnožite \frac{1}{2} s/z n+1.
n-11+\frac{1}{2}nn+\frac{1}{2}n\left(-12\right)+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Uporabite distributivnost tako, da pomnožite vsako vrednost \frac{1}{2}n+\frac{1}{2} z vsako vrednostjo n-12.
n-11+\frac{1}{2}n^{2}+\frac{1}{2}n\left(-12\right)+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Pomnožite n in n, da dobite n^{2}.
n-11+\frac{1}{2}n^{2}+\frac{-12}{2}n+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Pomnožite \frac{1}{2} in -12, da dobite \frac{-12}{2}.
n-11+\frac{1}{2}n^{2}-6n+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Delite -12 s/z 2, da dobite -6.
n-11+\frac{1}{2}n^{2}-\frac{11}{2}n+\frac{1}{2}\left(-12\right)
Združite -6n in \frac{1}{2}n, da dobite -\frac{11}{2}n.
n-11+\frac{1}{2}n^{2}-\frac{11}{2}n+\frac{-12}{2}
Pomnožite \frac{1}{2} in -12, da dobite \frac{-12}{2}.
n-11+\frac{1}{2}n^{2}-\frac{11}{2}n-6
Delite -12 s/z 2, da dobite -6.
-\frac{9}{2}n-11+\frac{1}{2}n^{2}-6
Združite n in -\frac{11}{2}n, da dobite -\frac{9}{2}n.
-\frac{9}{2}n-17+\frac{1}{2}n^{2}
Odštejte 6 od -11, da dobite -17.
n-11+\left(\frac{1}{2}n+\frac{1}{2}\right)\left(n-12\right)
Uporabite distributivnost, da pomnožite \frac{1}{2} s/z n+1.
n-11+\frac{1}{2}nn+\frac{1}{2}n\left(-12\right)+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Uporabite distributivnost tako, da pomnožite vsako vrednost \frac{1}{2}n+\frac{1}{2} z vsako vrednostjo n-12.
n-11+\frac{1}{2}n^{2}+\frac{1}{2}n\left(-12\right)+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Pomnožite n in n, da dobite n^{2}.
n-11+\frac{1}{2}n^{2}+\frac{-12}{2}n+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Pomnožite \frac{1}{2} in -12, da dobite \frac{-12}{2}.
n-11+\frac{1}{2}n^{2}-6n+\frac{1}{2}n+\frac{1}{2}\left(-12\right)
Delite -12 s/z 2, da dobite -6.
n-11+\frac{1}{2}n^{2}-\frac{11}{2}n+\frac{1}{2}\left(-12\right)
Združite -6n in \frac{1}{2}n, da dobite -\frac{11}{2}n.
n-11+\frac{1}{2}n^{2}-\frac{11}{2}n+\frac{-12}{2}
Pomnožite \frac{1}{2} in -12, da dobite \frac{-12}{2}.
n-11+\frac{1}{2}n^{2}-\frac{11}{2}n-6
Delite -12 s/z 2, da dobite -6.
-\frac{9}{2}n-11+\frac{1}{2}n^{2}-6
Združite n in -\frac{11}{2}n, da dobite -\frac{9}{2}n.
-\frac{9}{2}n-17+\frac{1}{2}n^{2}
Odštejte 6 od -11, da dobite -17.
Primeri
Kvadratna enačba
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometrija
4 \sin \theta \cos \theta = 2 \sin \theta
Linearna enačba
y = 3x + 4
Aritmetično
699 * 533
Matrika
\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]
Hkratna enačba
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Diferenciacija
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integracija
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Omejitve
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}