Consider the given function.
f(x)=3x2−2x
g(x)=9x−6
If f(x)=g(x), then
3x2−2x=9x−6
3x2−11x+6=0
3x2−2x−9x+6=0
x(3x−2)−3(3x−2)=0
(x−3)(3x−2)=0
x=23,3
Therefore,
Find the set of values of x for which the functions f(x)=3x2−1 and g(x)=3+x are equal.