Follow PEMDAS (BODMAS)
P= parentheses,
E= exponents,
M= multiplication,
D = division,
A = addition,
S =subtraction.
Write out the equation
6 ÷ 2 (1 + 2)
Solve in parentheses
6 ÷ 2 (3)
Solve the division
3(3)
Solve the multiplication
9
Your answer is 9.