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Find the GCF of 20x − 4

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1 answer

To find the greatest common factor (GCF) of the expression \(20x - 4\), we can follow these steps:

  1. Identify the coefficients and constants: The coefficients are 20 and -4.

  2. Find the GCF of the numerical coefficients: The GCF of 20 and 4 is 4.

  3. Factor out the GCF from the expression:

    \[ 20x - 4 = 4(5x - 1) \]

So, the GCF of the expression \(20x - 4\) is \(4\).