Posted by RANDA on .
Given the quadratic function f(x) = x2 – 12x + 36, find a value of x such that f(x) = 25.

math 
MathMate,
Given f(x) = x2 – 12x + 36
and f(x)=25, equate:
25 = x²  12x + 36
x²12x+11=0
(x11)(x1)=0
therefore x=11 or x=1