Algebra II 7.7D, Add or Subtract Complex Numbers

How to add or subtract complex numbers, a+bi as a complex number, getting the sum or difference of the REAL parts and the sum or difference of the IMAGINARY parts.

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Algebra II Playlist

Algebra II 7.7A, Imaginary Numbers and i

Algebra II 7.7B, Powers of i & Pattern of i

Algebra II 7.7C, Multiply with Imaginary Numbers i

Algebra I Playlist:

Algebra I #11.6a,
Add or Subtract Radical expressions

Algebra I #11.6b,
Subtracting Radical expressions

Algebra I #11.6c,
What is a Conjugate