To find the greatest common factor (GCF) of the polynomial \(4x^4 + 12x^3 - 36x^2 + 24x\), we can start by factoring out the common terms.
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Identify the GCF of the coefficients:
- The coefficients are 4, 12, -36, and 24.
- The GCF of these numbers is 4.
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Identify the GCF of the variable terms:
- The polynomial has \(x^4\), \(x^3\), \(x^2\), and \(x\).
- The GCF of the variable terms is \(x\) (the lowest power of \(x\)).
Now, we can combine the GCF of the coefficients and the variable terms:
\[ \text{GCF} = 4x \]
Thus, the GCF of the given polynomial \(4x^4 + 12x^3 - 36x^2 + 24x\) is 4x.
Among the options provided, it seems that 4x is not directly listed, which could be a typographical error in the options.
However, the found GCF is 4x.