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19-11-2015
Mathematics

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Which of the following represents a first step in solving the equation (x - 6)² = 9?

A. x - 6 = 9
B. x - 36 = 9
C. x - 6 = 3
D. (x - 6)² = 3

Respuesta :

19-11-2015

"B." Because you must do what's in the parenthesis first. So 6² is 36 so that would be x-36=9 then to solve it [tex]x-36=9 \\ +36=x-9 \\ 9+36=45 \\ x=45[/tex]

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