Simplify each of the following and express it in the form a + ib :

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Question:
Simplify each of the following and express it in the form a + ib :

$(-5+6 i)-(-2+i)$

Solution:

Given: $(-5+6 i)-(-2+i)$

Firstly, we open the brackets

$-5+6 i+2-i$

$=-3+5 i$