84.2k views
2 votes
Evaluate the expression 3(7 + 4)^2 − 14 ÷ 7

-An explanation on how to find the answer would be amazing!

1 Answer

4 votes
use PEMDAS.
1. multiply the 7 and the 4 by 3
2. square the 12 to get 144
3.multiply 144 by -14
4. divide -2016 by 7
5.subtract 288 from 21 (if you subtract 21 from 288 you get 267 so put +- in front for both answers :) )
Evaluate the expression 3(7 + 4)^2 − 14 ÷ 7 -An explanation on how to find the answer-example-1
User Luis B
by
3.3k points