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

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Answer 1 · 2016-07-27T16:19:33

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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: $75+798=873$

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