Answer:

u got it

Step-by-step explanation:

x to the power of 2 + 6x + 9

Verified answer

x² + 9 + 6x

Further explanation :

(x + 3)(x + 3)

= (x + 3)²

[tex] \large \boxed {(a + b)^{2} = {a}^{2} + {b}^{2} + 2ab \: \: putting \: a = x \: and \: b = 3}[/tex]

= x² + 3² + 2(x) (3)

= x² + 9 + 6x

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