Whakaoti mō x
x=-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x-7-5x=2
Tangohia te 5x mai i ngā taha e rua.
-3x-7=2
Pahekotia te 2x me -5x, ka -3x.
-3x=2+7
Me tāpiri te 7 ki ngā taha e rua.
-3x=9
Tāpirihia te 2 ki te 7, ka 9.
x=\frac{9}{-3}
Whakawehea ngā taha e rua ki te -3.
x=-3
Whakawehea te 9 ki te -3, 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
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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
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Whakarerekētanga
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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}