You have to simplify the following expression
To solve this calculation you have to keep in mind the order of operations, which is:
1st: Parentheses
2nd: Exponents
3rd: Division/Multiplication
4th: Addition/Subtraction
1) The first step is to solve the calculation within the parentheses
To solve it you have to follows the order of operations first, which means you have to solve the exponent first and then the subtraction:
So the whole expression with the parentheses calculated is:
2) The second step is to solve the division:
Now the expression is
3) Third step is to add the three values: