Question
Find roots of polynomial $$ p(x) = -4x+16 $$
Answer
The root of polynomial $ p(x) $ is:
$$ \begin{aligned}x &= 4 \end{aligned} $$Explanation
$$ \begin{aligned} -4x+16 & = 0 \\[1 em]
-4 \cdot x & = -16 \\[1 em]
x & = - \frac{ 16 }{ -4 } \\[1 em]
x & = - \frac{ 16 : 4 }{ -4 : 4} \\[1 em]
x & = 4
\end{aligned} $$
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