How do you simplify #4(10-3^2*2+5)# using PEMDAS?

1 Answer
Meave60
Mar 13, 2017

The given expression simplifies to #-12#.

See the explanation.

Explanation:

PEMDAS is acronym for remembering the order of operations.

P: Parentheses or brackets
E: Exponents
M and D: Multiplication and division from left to right.
A and S: Addition and subtraction from left to right.

Simplify:

#4(10-3^(2)*2+5)##larr# parentheses and exponent first.

#4(10-9*2+5)##larr# multiply #9*2#.

#4(10-18+5)##larr# add and subtract from left to right.

#4(-3)##larr# multiply #4# and #-3#

#-12##larr# answer

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