Respuesta :

Answer:

[tex]f(x)=4x^2-144[/tex]

Step-by-step explanation:

Since x-6=0 has x=6 and x+6=0 has x=-6, then:

[tex]f(x)=4(x+6)(x-6)[/tex]

[tex]f(x)=4(x^2-36)[/tex]

[tex]f(x)=4x^2-144[/tex]