Whakaoti mō x (complex solution)
x\in \mathrm{C}
Whakaoti mō x
x\in \mathrm{R}
Graph
Tohaina
Kua tāruatia ki te papatopenga
-2+5x-x=4x-2
Tāpirihia te -7 ki te 5, ka -2.
-2+4x=4x-2
Pahekotia te 5x me -x, ka 4x.
-2+4x-4x=-2
Tangohia te 4x mai i ngā taha e rua.
-2=-2
Pahekotia te 4x me -4x, ka 0.
\text{true}
Whakatauritea te -2 me te -2.
x\in \mathrm{C}
He pono tēnei mō tētahi x ahakoa.
-2+5x-x=4x-2
Tāpirihia te -7 ki te 5, ka -2.
-2+4x=4x-2
Pahekotia te 5x me -x, ka 4x.
-2+4x-4x=-2
Tangohia te 4x mai i ngā taha e rua.
-2=-2
Pahekotia te 4x me -4x, ka 0.
\text{true}
Whakatauritea te -2 me te -2.
x\in \mathrm{R}
He pono tēnei mō tētahi x ahakoa.
Ngā Tauira
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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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