Step 1:

Look for brackets and complete the calculations inside them, according bracket order:

FIRST    SECOND    THIRD

Step 2:

Look for any kind of roots (square roots, cube roots and others), indices (square of a number, cube of a number and others), exponents and powers.

Step 3:

Look for any kind of division and solve the calculations.

Step 4:

Look for any kind of multiplications and solve the calculations.

Step 5:

Look for any kind of additions and solve the calculations.

Step 6:

Look for any kind of subtractions and solve the calculations.