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OpenStudy (anonymous):
Simplify completely: -3(4-9)+6-2(-8+5)
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OpenStudy (shane_b):
Just use PEMDAS (see below) and do the problem according to the order of precedence of each operation: Parentheses ->Exponents -> Multiplication/Division -> Addition/Subtraction Also note that math questions should be posted to the Math group which is very active.
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