Whakaoti mō x
x=-22
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+21=-1+x
Tangohia te 5 i te 4, ka -1.
2x+21-x=-1
Tangohia te x mai i ngā taha e rua.
x+21=-1
Pahekotia te 2x me -x, ka x.
x=-1-21
Tangohia te 21 mai i ngā taha e rua.
x=-22
Tangohia te 21 i te -1, ka -22.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
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Ngā Tepe
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