Whakaoti mō x
x=-2
Graph
Tohaina
Kua tāruatia ki te papatopenga
1-2x=3-x
Tangohia te 3 i te 4, ka 1.
1-2x+x=3
Me tāpiri te x ki ngā taha e rua.
1-x=3
Pahekotia te -2x me x, ka -x.
-x=3-1
Tangohia te 1 mai i ngā taha e rua.
-x=2
Tangohia te 1 i te 3, ka 2.
x=-2
Me whakarea ngā taha e rua ki te -1.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
\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}