Whakaoti mō x
x=\frac{1}{2}=0.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
4+2x-5=0
Tātaihia te 2 mā te pū o 2, kia riro ko 4.
-1+2x=0
Tangohia te 5 i te 4, ka -1.
2x=1
Me tāpiri te 1 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
x=\frac{1}{2}
Whakawehea ngā taha e rua ki te 2.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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\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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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
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