Respuesta :

Factors of 5:

5,1

Factors of 25:

1,5,25

Factors of x⁴:

x⁴,x³,x²,x

Factors of x²:

x²,x

Therefore, the GCF is:

[tex]5x^4-25x^2=5x^2(x^2-5)[/tex]

Answer:

[tex]5x^2[/tex]