Respuesta :

lukecl0udwalk3r

Answer:

the answer is 16

Step-by-step explanation:

x^2 + 7 ( x=3)

3^2 + 7

9 + 7 =

16

x^2 would be that number(x) times itself that many times[ in this case it would be the number 2]

khalidhaqq
The answer is 16 cause you substitute 3 for x then multiply 3 by 2 then add 9 + 7

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