Whakaoti mō x
x=-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
7+5-9-14+x+x+5=-2\times 6
Me whakarea ngā taha e rua ki te 6.
12-9-14+x+x+5=-2\times 6
Tāpirihia te 7 ki te 5, ka 12.
3-14+x+x+5=-2\times 6
Tangohia te 9 i te 12, ka 3.
-11+x+x+5=-2\times 6
Tangohia te 14 i te 3, ka -11.
-11+2x+5=-2\times 6
Pahekotia te x me x, ka 2x.
-6+2x=-2\times 6
Tāpirihia te -11 ki te 5, ka -6.
-6+2x=-12
Whakareatia te -2 ki te 6, ka -12.
2x=-12+6
Me tāpiri te 6 ki ngā taha e rua.
2x=-6
Tāpirihia te -12 ki te 6, ka -6.
x=\frac{-6}{2}
Whakawehea ngā taha e rua ki te 2.
x=-3
Whakawehea te -6 ki te 2, kia riro ko -3.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
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Arithmetic
699 * 533
Poukapa
\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]
whārite Simultaneous
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Whakarerekētanga
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}