Algebra
posted by Sarah on .
Given f(x) = (x1)(x2) + (x2)(x5) + (x  3)(x8), what are the sum of the roots of f(x)?

f(x)=3x^221x+36
sum of roots =(21/3)=7
posted by Sarah on .
Given f(x) = (x1)(x2) + (x2)(x5) + (x  3)(x8), what are the sum of the roots of f(x)?
f(x)=3x^221x+36
sum of roots =(21/3)=7