Question
Find roots of polynomial $$ p(x) = 7+7i $$
Answer
The root of polynomial $ p(i) $ is:
$$ \begin{aligned}i &= -1 \end{aligned} $$Explanation
$$ \begin{aligned} 7+7i & = 0 \\[1 em]
7 \cdot i & = -7 \\[1 em]
i & = - \frac{ 7 }{ 7 } \\[1 em]
i & = - \frac{ 7 : 7 }{ 7 : 7} \\[1 em]
i & = -1
\end{aligned} $$
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