Question
Find roots of polynomial $$ p(x) = -6x+54 $$
Answer
The root of polynomial $ p(x) $ is:
$$ \begin{aligned}x &= 9 \end{aligned} $$Explanation
$$ \begin{aligned} -6x+54 & = 0 \\[1 em]
-6 \cdot x & = -54 \\[1 em]
x & = - \frac{ 54 }{ -6 } \\[1 em]
x & = - \frac{ 54 : 6 }{ -6 : 6} \\[1 em]
x & = 9
\end{aligned} $$
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