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Add real parts and imaginary parts separately.
z1+z2=(a+c)+(b+d)iz_1 + z_2 = (a+c) + (b+d)iz1+z2=(a+c)+(b+d)i
Subtract corresponding real and imaginary parts.
z1−z2=(a−c)+(b−d)iz_1 - z_2 = (a-c) + (b-d)iz1−z2=(a−c)+(b−d)i
z+w=20−3iz + w = 20 - 3iz+w=20−3i
z−w=2+11iz - w = 2 + 11iz−w=2+11i
The real components and the imaginary components.
(a+c)+(b+d)i(a+c) + (b+d)i(a+c)+(b+d)i
The imaginary part is 444.
The real components are added first.
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