Aromātai
-36-68i
Wāhi Tūturu
-36
Tohaina
Kua tāruatia ki te papatopenga
5\times 4+5\times \left(-8i\right)-7i\times 4-7\left(-8\right)i^{2}
Me whakarea ngā tau matatini 5-7i me 4-8i pēnā i te whakarea huarua.
5\times 4+5\times \left(-8i\right)-7i\times 4-7\left(-8\right)\left(-1\right)
Hei tōna tikanga, ko te i^{2} ko -1.
20-40i-28i-56
Mahia ngā whakarea.
20-56+\left(-40-28\right)i
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa.
-36-68i
Mahia ngā tāpiri.
Re(5\times 4+5\times \left(-8i\right)-7i\times 4-7\left(-8\right)i^{2})
Me whakarea ngā tau matatini 5-7i me 4-8i pēnā i te whakarea huarua.
Re(5\times 4+5\times \left(-8i\right)-7i\times 4-7\left(-8\right)\left(-1\right))
Hei tōna tikanga, ko te i^{2} ko -1.
Re(20-40i-28i-56)
Mahia ngā whakarea i roto o 5\times 4+5\times \left(-8i\right)-7i\times 4-7\left(-8\right)\left(-1\right).
Re(20-56+\left(-40-28\right)i)
Whakakotahitia ngā wāhi tūturu me ngā wāhi pōhewa ki 20-40i-28i-56.
Re(-36-68i)
Mahia ngā tāpiri i roto o 20-56+\left(-40-28\right)i.
-36
Ko te wāhi tūturu o -36-68i ko -36.
Ngā Tauira
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