Whakaoti mō x
x=-\frac{4}{5}=-0.8
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x=2-6
Tangohia te 6 mai i ngā taha e rua.
5x=-4
Tangohia te 6 i te 2, ka -4.
x=\frac{-4}{5}
Whakawehea ngā taha e rua ki te 5.
x=-\frac{4}{5}
Ka taea te hautanga \frac{-4}{5} te tuhi anō ko -\frac{4}{5} mā te tango i te tohu tōraro.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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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
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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