Aromātai
-16-21i
Wāhi Tūturu
-16
Tohaina
Kua tāruatia ki te papatopenga
4\times 1+4\times \left(-4i\right)-5i-5\left(-4\right)i^{2}
Me whakarea ngā tau matatini 4-5i me 1-4i pēnā i te whakarea huarua.
4\times 1+4\times \left(-4i\right)-5i-5\left(-4\right)\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
4-16i-5i-20
Mahia ngā whakarea.
4-20+\left(-16-5\right)i
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa.
-16-21i
Mahia ngā tāpiri.
Re(4\times 1+4\times \left(-4i\right)-5i-5\left(-4\right)i^{2})
Me whakarea ngā tau matatini 4-5i me 1-4i pēnā i te whakarea huarua.
Re(4\times 1+4\times \left(-4i\right)-5i-5\left(-4\right)\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(4-16i-5i-20)
Mahia ngā whakarea i roto o 4\times 1+4\times \left(-4i\right)-5i-5\left(-4\right)\left(-1\right).
Re(4-20+\left(-16-5\right)i)
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa ki 4-16i-5i-20.
Re(-16-21i)
Mahia ngā tāpiri i roto o 4-20+\left(-16-5\right)i.
-16
Ko te wāhi tūturu o -16-21i ko -16.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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