Please help me factor this with steps on how you got the answer. Sorry my addition and equal button is not working
a^2-6a plus 9 equal 0
a^2 - 6 a + 9 = 0
(a-3)(a-3) = 0
a = 3 or a = 3, in other words the vertex is on the x axis.
a^2-6a plus 9 equal 0
(a-3)(a-3) = 0
a = 3 or a = 3, in other words the vertex is on the x axis.