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Mathematics 17 Online
OpenStudy (anonymous):

Could someone pleaseeeee help? Simplify the expression 3x[12-(5-2)^2]

OpenStudy (jtvatsim):

This is testing your knowledge of PEMDAS. Order of operations is: 1. Parentheses 2. Exponents 3. Multiplication and Division 4. Addition and Subtraction

OpenStudy (anonymous):

Oh, and go for the inner parenthesis first (), then do everything outer brackets [], once everything inside the brackets is done. Multiply what you get in the brackets by 3x.

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