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Whakaoti mō m
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Whakaoti mō a
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-12a+6m=-2a^{2}
Tangohia te 2a^{2} mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
6m=-2a^{2}+12a
Me tāpiri te 12a ki ngā taha e rua.
6m=12a-2a^{2}
He hanga arowhānui tō te whārite.
\frac{6m}{6}=\frac{2a\left(6-a\right)}{6}
Whakawehea ngā taha e rua ki te 6.
m=\frac{2a\left(6-a\right)}{6}
Mā te whakawehe ki te 6 ka wetekia te whakareanga ki te 6.
m=\frac{a\left(6-a\right)}{3}
Whakawehe 2a\left(6-a\right) ki te 6.