Answer:
4(x-1)(x+1)
Step-by-step explanation:
We begin with the expression: [tex]4x^2-4[/tex]
First, we can factor out a 4
[tex]4(x^2-1)[/tex]
As [tex]x^2-1[/tex] is a difference of squares, it can be rewritten as [tex](x-1)(x+1)[/tex]
This gives us the final factorization of
4(x-1)(x+1)