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Wāhi Tūturu
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Tohaina

2\times 3+2\times \left(4i\right)+5i\times 3+5\times 4i^{2}
Me whakarea ngā tau matatini 2+5i me 3+4i pēnā i te whakarea huarua.
2\times 3+2\times \left(4i\right)+5i\times 3+5\times 4\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
6+8i+15i-20
Mahia ngā whakarea.
6-20+\left(8+15\right)i
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa.
-14+23i
Mahia ngā tāpiri.
Re(2\times 3+2\times \left(4i\right)+5i\times 3+5\times 4i^{2})
Me whakarea ngā tau matatini 2+5i me 3+4i pēnā i te whakarea huarua.
Re(2\times 3+2\times \left(4i\right)+5i\times 3+5\times 4\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(6+8i+15i-20)
Mahia ngā whakarea i roto o 2\times 3+2\times \left(4i\right)+5i\times 3+5\times 4\left(-1\right).
Re(6-20+\left(8+15\right)i)
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa ki 6+8i+15i-20.
Re(-14+23i)
Mahia ngā tāpiri i roto o 6-20+\left(8+15\right)i.
-14
Ko te wāhi tūturu o -14+23i ko -14.