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19-11-2016
Mathematics

contestada

Evaluate the expression below when x = 9.

3x + 2x2 - 9
Select one of the options below as your answer:
A. 54
B. 180
C. 342
D. 4,365

Respuesta :

syed514 syed514

20-11-2016

3*9+2*81-9 is 180. So, the best option is B.

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