Whakaoti mō m
m=3
Tohaina
Kua tāruatia ki te papatopenga
m^{2}-3m-m^{2}=-4m+3
Tangohia te m^{2} mai i ngā taha e rua.
-3m=-4m+3
Pahekotia te m^{2} me -m^{2}, ka 0.
-3m+4m=3
Me tāpiri te 4m ki ngā taha e rua.
m=3
Pahekotia te -3m me 4m, ka m.
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