Math 222
posted by Tika .
Please help me factor this with steps on how you got the answer. Sorry my addition and equal button is not working
a^26a plus 9 equal 0

Math 222 
Damon
a^2  6 a + 9 = 0
(a3)(a3) = 0
a = 3 or a = 3, in other words the vertex is on the x axis.
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