Whakaoti mō n
n=8
Tohaina
Kua tāruatia ki te papatopenga
-12=n-20
Whakareatia ngā taha e rua o te whārite ki te 2.
n-20=-12
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
n=-12+20
Me tāpiri te 20 ki ngā taha e rua.
n=8
Tāpirihia te -12 ki te 20, ka 8.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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Poukapa
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Whakarerekētanga
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Ngā Tepe
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