Pre-Calculus - How to add complex numbers - Free Math Help (4 + root(-5)) +( 2- root(-20))

The video tutorial explains how to simplify and add complex numbers. It begins with an introduction to the format of complex numbers, followed by identifying negative numbers under radicals and converting them into complex form. The tutorial then details the process of adding two complex numbers by combining their real and imaginary parts. It also covers simplifying complex expressions involving radicals and concludes with finalizing the complex number in standard form.

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