Looking for an answer to all of the following in the picture but especially question 7

Raygan asked Feb 18, 2023

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Raygan asked Feb 18, 2023

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4 votes

Given

Answer

X-3 is factor if for x =3 , above expression is 0

$\begin{gathered} 3(3)^3+10(3)^2-3-12 \\ 81+270-15=336\\e0 \\ \end{gathered}$

So x-3 is not a factor,

Urzeit answered Feb 22, 2023

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