A polynomial's factors are related to its roots (where it equals zero) this way:
When f(c)=0 then x−c is a factor of f(x)
Likewise
When x−c is a factor of f(x) then f(c)=0
A polynomial's factors are related to its roots (where it equals zero) this way:
When f(c)=0 then x−c is a factor of f(x)
Likewise
When x−c is a factor of f(x) then f(c)=0