How do you simplify #5(3+12) + 42(23-4) # using PEMDAS?

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Answer 1 · 2016-07-27T16:19:33

See explanation

We must use the PEMDAS method. Let's solve for the parentheses first:

#3+12=15#
#23-4=19#

We now have #5(15)+42(19)#

Next is multiplication:

#5*15=75#
#42*19=798#

#75+798#

From here, it's simple addition: #75+798=873#