## Thinking Mathematically (6th Edition)

$32$
The order of operations follow the following hierarchy (PEMDAS rule): (i) Parentheses/grouping symbols (ii) Exponents (iii) Multiplication/Division, whichever comes first from the left (iv) Addition/Subtraction, whichever comes first from the left Use the rule above to obtain: $=(2-6)(-3-5)$ $=(-4)(-8) \\=32$