Whakaoti mō x
x=-4
Graph
Tohaina
Kua tāruatia ki te papatopenga
0-5x=20
Whakareatia te 4 ki te 0, ka 0.
-5x=20
Ko te tau i tāpiria he kore ka hua koia tonu.
x=\frac{20}{-5}
Whakawehea ngā taha e rua ki te -5.
x=-4
Whakawehea te 20 ki te -5, kia riro ko -4.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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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
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Whakaurunga
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Ngā Tepe
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