Aromātai
20+12i
Wāhi Tūturu
20
Tohaina
Kua tāruatia ki te papatopenga
2\times 2+2\times \left(-2i\right)+8i\times 2+8\left(-2\right)i^{2}
Me whakarea ngā tau matatini 2+8i me 2-2i pēnā i te whakarea huarua.
2\times 2+2\times \left(-2i\right)+8i\times 2+8\left(-2\right)\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
4-4i+16i+16
Mahia ngā whakarea.
4+16+\left(-4+16\right)i
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa.
20+12i
Mahia ngā tāpiri.
Re(2\times 2+2\times \left(-2i\right)+8i\times 2+8\left(-2\right)i^{2})
Me whakarea ngā tau matatini 2+8i me 2-2i pēnā i te whakarea huarua.
Re(2\times 2+2\times \left(-2i\right)+8i\times 2+8\left(-2\right)\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(4-4i+16i+16)
Mahia ngā whakarea i roto o 2\times 2+2\times \left(-2i\right)+8i\times 2+8\left(-2\right)\left(-1\right).
Re(4+16+\left(-4+16\right)i)
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa ki 4-4i+16i+16.
Re(20+12i)
Mahia ngā tāpiri i roto o 4+16+\left(-4+16\right)i.
20
Ko te wāhi tūturu o 20+12i ko 20.
Ngā Tauira
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