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Simplify -3(1 + 4i) + i(-2 - i).

 Jun 7, 2021
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$-3(1+4i) + i(-2-i) = -3 -12i -2i - i^2$.

 

We know that $i^2 = -1$, therefore, this equation is now $-14i - 3 - (-1) = \boxed{-2 -14i}$, which is our final equation. 

 Jun 7, 2021

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