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Pre-calculus - how to math - subtracting complex numbers (13 - 7i) - (2 - 5i)

In this math tutorial I will show you how to add and subtract complex numbers. You will learn the steps in adding rational ...
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Pre-calculus - multiplying two complex numbers - online math tutor (1+i) (3-2i)

In this math tutorial I will show you how to multiply complex numbers. Complex numbers come in the form of a +bi. Multiplying ...