what is 3(8+4 x 5) simplied?

Trying to figure out the answer to this question & coming up with the answer.. 180 but the answer my math book gives is 84...

in Algebra 2 Answers by Level 1 User (120 points)

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1 Answer

3(8+4 x 5) We need to use PEMDAS

look at the parenthesis first

(8 + 4 * 5)   There are no exponents

we need to check for multiplication and division and do them left to right across the line

(8 + 20) = 28  replace this back into the original statement

3(28) = 84

by Level 10 User (55.7k points)

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