Question

step by step simplify this expression
(3+i)-(7+6i)

Answer 1

same as combine like terms, as if you had \((3+x)-(7+6x)\)

Answer 2

?

Answer 3

Well you can open the parenthesis, which gives \[(3+i)-(7+6i) = 3+i-7-6i = -4-5i\]