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

Tohaina

\frac{\frac{F}{0.4}}{D}=-4\times 4
Me whakarea ngā taha e rua ki te 4.
\frac{F}{0.4}=-4\times 4D
Tē taea kia ōrite te tāupe D ki 0 nā te kore tautuhi i te whakawehenga mā te kore. Whakareatia ngā taha e rua o te whārite ki te D.
\frac{F}{0.4}=-16D
Whakareatia te -4 ki te 4, ka -16.
-16D=\frac{F}{0.4}
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-16D=\frac{5F}{2}
He hanga arowhānui tō te whārite.
\frac{-16D}{-16}=\frac{5F}{-16\times 2}
Whakawehea ngā taha e rua ki te -16.
D=\frac{5F}{-16\times 2}
Mā te whakawehe ki te -16 ka wetekia te whakareanga ki te -16.
D=-\frac{5F}{32}
Whakawehe \frac{5F}{2} ki te -16.
D=-\frac{5F}{32}\text{, }D\neq 0
Tē taea kia ōrite te tāupe D ki 0.
\frac{\frac{F}{0.4}}{D}=-4\times 4
Me whakarea ngā taha e rua ki te 4.
\frac{F}{0.4}=-4\times 4D
Whakareatia ngā taha e rua o te whārite ki te D.
\frac{F}{0.4}=-16D
Whakareatia te -4 ki te 4, ka -16.
\frac{5}{2}F=-16D
He hanga arowhānui tō te whārite.
\frac{\frac{5}{2}F}{\frac{5}{2}}=-\frac{16D}{\frac{5}{2}}
Whakawehea ngā taha e rua o te whārite ki te \frac{5}{2}, he ōrite ki te whakarea i ngā taha e rua ki te tau huripoki o te hautanga.
F=-\frac{16D}{\frac{5}{2}}
Mā te whakawehe ki te \frac{5}{2} ka wetekia te whakareanga ki te \frac{5}{2}.
F=-\frac{32D}{5}
Whakawehe -16D ki te \frac{5}{2} mā te whakarea -16D ki te tau huripoki o \frac{5}{2}.