# Solve this

#### George 123

Given z = 3 + 5i and w = -5 + i, evaluate z - w.

#### romsek

Math Team
Oh come on, it's just subtraction.

Just pair up the real and imaginary parts and subtract them from each other.

topsquark

#### George 123

What exactly do you mean?

#### romsek

Math Team
$w =-5+i\\ z = 3+5i\\ z-w = (3+5i) - (-5+i) = \\ 3-(-5) + i(5-1) = \\ 8 + 4i$

topsquark
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