1 Answer

Alexandre Bourdin · Answer 1 · 2024-02-01T12:02:19+0000

Answer:

Hi,

Explanation:

Let's group the 2 first terms:

$x^3-4x^2=x^2(x-4)\\$

Let's group the 2 last terms:

$-4x+16=-4(x-4)\\$

You can see that there is a common factor: (x-4)

$x^3-4x^2-4x+16=x^2(x-4)-4(x-4)\\=(x-4)(x^2-4)\\=(x-4)(x+2)(x-2)$

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