Whakaoti mō x
x = -\frac{4}{3} = -1\frac{1}{3} \approx -1.333333333
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x=1-5
Tangohia te 5 mai i ngā taha e rua.
3x=-4
Tangohia te 5 i te 1, ka -4.
x=\frac{-4}{3}
Whakawehea ngā taha e rua ki te 3.
x=-\frac{4}{3}
Ka taea te hautanga \frac{-4}{3} te tuhi anō ko -\frac{4}{3} mā te tango i te tohu tōraro.
Ngā Tauira
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{ 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]
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