10+2×(3+1)= 10 + 2 \times (3 + 1) = 10+2×(3+1)=
1. Follow the order of operations (PEMDAS/BODMAS).
2. First do the operation inside the parenthesis: 3+1=43 + 1 = 43+1=4.
3. Then, perform the multiplication: 2×4=82 \times 4 = 82×4=8.
4. Finally, perform the addition: 10+8=1810 + 8 = 1810+8=18.
18