Whakaoti mō z
z=-2
Tohaina
Kua tāruatia ki te papatopenga
z=-\frac{1}{5}\times 10
Me whakarea ngā taha e rua ki te 10.
z=\frac{-10}{5}
Tuhia te -\frac{1}{5}\times 10 hei hautanga kotahi.
z=-2
Whakawehea te -10 ki te 5, kia riro ko -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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Whakaurunga
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