[tex]\huge\boxed{Hi\:there!}[/tex]
To find the GCF of the polynomial, all we have to do is spot the common factor of all the terms of the polynomial.
21z⁵-42x⁴+14z³
The common term is
7z³
If we factor 7z³ out, we'll get
z³(3z²-6z+2)
[tex]\huge\boxed{\sf{Hope\:this\:helps!}}\\[/tex]
[tex]\huge\bold{Good\:luck!}[/tex]
[tex]\huge\mathfrak{LoveLastsAllEternity}[/tex]
