Whakaoti mō x
x = \frac{5}{2} = 2\frac{1}{2} = 2.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x-5=0
Whakareatia te 0 ki te 6, ka 0.
2x=5
Me tāpiri te 5 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
x=\frac{5}{2}
Whakawehea ngā taha e rua ki te 2.
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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