Réitigh do x. (complex solution)
\left\{\begin{matrix}\\x=-1\text{, }&\text{unconditionally}\\x\in \mathrm{C}\text{, }&x_{12}=0\end{matrix}\right.
Réitigh do x.
\left\{\begin{matrix}\\x=-1\text{, }&\text{unconditionally}\\x\in \mathrm{R}\text{, }&x_{12}=0\end{matrix}\right.
Réitigh do x_12. (complex solution)
\left\{\begin{matrix}\\x_{12}=0\text{, }&\text{unconditionally}\\x_{12}\in \mathrm{C}\text{, }&x=-1\end{matrix}\right.
Réitigh do x_12.
\left\{\begin{matrix}\\x_{12}=0\text{, }&\text{unconditionally}\\x_{12}\in \mathrm{R}\text{, }&x=-1\end{matrix}\right.
Graf
Tráth na gCeist
Linear Equation
5 fadhbanna cosúil le:
-x12=x12x
Roinn
Cóipeáladh go dtí an ghearrthaisce
x_{12}x=-x_{12}
Athraigh na taobhanna ionas go mbeidh na téarmaí inathraitheacha ar fad ar an taobh clé.
\frac{x_{12}x}{x_{12}}=-\frac{x_{12}}{x_{12}}
Roinn an dá thaobh faoi x_{12}.
x=-\frac{x_{12}}{x_{12}}
Má roinntear é faoi x_{12} cuirtear an iolrúchán faoi x_{12} ar ceal.
x=-1
Roinn -x_{12} faoi x_{12}.
x_{12}x=-x_{12}
Athraigh na taobhanna ionas go mbeidh na téarmaí inathraitheacha ar fad ar an taobh clé.
\frac{x_{12}x}{x_{12}}=-\frac{x_{12}}{x_{12}}
Roinn an dá thaobh faoi x_{12}.
x=-\frac{x_{12}}{x_{12}}
Má roinntear é faoi x_{12} cuirtear an iolrúchán faoi x_{12} ar ceal.
x=-1
Roinn -x_{12} faoi x_{12}.
Samplaí
Cothromóid chearnach
{ x } ^ { 2 } - 4 x - 5 = 0
Triantánacht
4 \sin \theta \cos \theta = 2 \sin \theta
Cothromóid líneach
y = 3x + 4
Uimhríocht
699 * 533
Maitrís
\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]
Cothromóid chomhuaineach
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Difreáil
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Comhtháthú
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Teorainneacha
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}