Answer:
x = 3
Step-by-step explanation:
The axis of symmetry is a vertical line passing through the vertex and midway between the zeros.
The zeros are x = 2 and x = 4
midway = [tex]\frac{2+4}{2}[/tex] = [tex]\frac{6}{2}[/tex] = 3
Equation of axis of symmetry is x = 3