College Algebra (10th Edition)

$-11$
RECALL: The order of operations follow the PEMDAS rule: First Priority: P - Parentheses or grouping symbols Second Priority: E - Exponents Third Priority: M/D - Multiplication or Division, whichever comes first from the left Fourth Priority: A/S - Addition or Subtraction, whichever comes first from the left Use the PEMDAS rule to obtain: $=6-[ 3\cdot 5 + 2 \cdot (1) ] \\=6-[15 + 2] \\=6 - 17 \\=-11$