Whakaoti mō x
x=-8
Graph
Tohaina
Kua tāruatia ki te papatopenga
\frac{1}{4}x=3-5
Tangohia te 5 mai i ngā taha e rua.
\frac{1}{4}x=-2
Tangohia te 5 i te 3, ka -2.
x=-2\times 4
Me whakarea ngā taha e rua ki te 4, te tau utu o \frac{1}{4}.
x=-8
Whakareatia te -2 ki te 4, ka -8.
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]
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Whakarerekētanga
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