Whakaoti mō P
P=13.38
Tohaina
Kua tāruatia ki te papatopenga
1.4-10P-20P=-400
Tangohia te 20P mai i ngā taha e rua.
1.4-30P=-400
Pahekotia te -10P me -20P, ka -30P.
-30P=-400-1.4
Tangohia te 1.4 mai i ngā taha e rua.
-30P=-401.4
Tangohia te 1.4 i te -400, ka -401.4.
P=\frac{-401.4}{-30}
Whakawehea ngā taha e rua ki te -30.
P=\frac{-4014}{-300}
Whakarohaina te \frac{-401.4}{-30} mā te whakarea i te taurunga me te tauraro ki te 10.
P=\frac{669}{50}
Whakahekea te hautanga \frac{-4014}{-300} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -6.
Ngā Tauira
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