Whakaoti mō x (complex solution)
x\in \mathrm{C}
Whakaoti mō x
x\in \mathrm{R}
Graph
Tohaina
Kua tāruatia ki te papatopenga
x^{2}\times 9=x^{2}\times 3\times 3
Whakareatia te x ki te x, ka x^{2}.
x^{2}\times 9=x^{2}\times 9
Whakareatia te 3 ki te 3, ka 9.
x^{2}\times 9-x^{2}\times 9=0
Tangohia te x^{2}\times 9 mai i ngā taha e rua.
0=0
Pahekotia te x^{2}\times 9 me -x^{2}\times 9, ka 0.
\text{true}
Whakatauritea te 0 me te 0.
x\in \mathrm{C}
He pono tēnei mō tētahi x ahakoa.
x^{2}\times 9=x^{2}\times 3\times 3
Whakareatia te x ki te x, ka x^{2}.
x^{2}\times 9=x^{2}\times 9
Whakareatia te 3 ki te 3, ka 9.
x^{2}\times 9-x^{2}\times 9=0
Tangohia te x^{2}\times 9 mai i ngā taha e rua.
0=0
Pahekotia te x^{2}\times 9 me -x^{2}\times 9, ka 0.
\text{true}
Whakatauritea te 0 me te 0.
x\in \mathrm{R}
He pono tēnei mō tētahi x ahakoa.
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