Given two complex numbers (either algebraically or graphically), find their distance.

Problem

Find the distance d between z, start subscript, 1, end subscript, equals, left parenthesis, minus, 1, plus, 8, i, right parenthesis and z, start subscript, 2, end subscript, equals, left parenthesis, minus, 3, minus, 2, i, right parenthesis.
Express your answer in exact terms and simplify, if needed.
d, equals