5{[15(8^2 - 24)/12]} - 6^3 We follow the order of operations. Only do one thing at a time. 5{[15(8^2 - 24)/12]} - 6^3 5{[15( 64 - 24)/12]} - 6^3 5{[15( 40)/12]} - 6^3 5{[ 600/12]} - 6^3 5{[ 50]} - 6^3 5{ 50} - 6^3 250 - 6^3 250 - 216 34 Edwin