List all the factors of \(2x\). (2 marks)
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\(\ 1\ ,\ 2\ ,\ x\ ,\ 2x \ , -1\ , -2 \ , -x\ , -2x\)
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| \(\text{Listing factors in pairs}\) | \(\longrightarrow (1\ ,\ 2x)\ \ (2\ ,\ x)\ \ (-1\ ,-2x)\ \ (-2\ ,-x)\) |
\(\therefore \text{Factors are:}\ 1\ ,\ 2\ ,\ x\ ,\ 2x \ , -1\ , -2 \ , -x\ , -2x\)