SOLUTION: 1. x^8 - y^8 2. 16a^7b + 54ab^7 3. given that f(x) = 3x^2 - 15x +11, find all values of x such that f(x) = 11

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 1. x^8 - y^8 2. 16a^7b + 54ab^7 3. given that f(x) = 3x^2 - 15x +11, find all values of x such that f(x) = 11      Log On


   

Question 460656: 1. x^8 - y^8
2. 16a^7b + 54ab^7
3. given that f(x) = 3x^2 - 15x +11, find all values of x such that f(x) = 11
Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!
f(X)=3x^2 - 15x +11, it will zero if
3x^2 -15x= 0
=> 3x(x-5) = 0
so, if x = 0 or x = 5 , f(x) = 11