Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

x^{2}-x^{2}=-2x
Tangohia te 1x^{2} mai i ngā taha e rua.
0=-2x
Pahekotia te x^{2} me -x^{2}, ka 0.
-2x=0
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=0
He ōrite te hua o ngā tau e rua ki 0 ina 0 tētahi o rāua te iti rawa. Tātemea kāore te -2 e ōrite ki 0, me ōrite pū te x ki 0.