# Chapter 7 - Section 7.7 - Complex Numbers - Exercise Set: 28

$0-3i$

#### Work Step by Step

We can use the distributive property to simplify the given expression. $(2-4i)-(2-i)=2-4i-2+i$ Next, we can combine like terms. $2-4i-2+i=(2-2)+(-4i+i)=0-3i$

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