$\"\"$

The expression is $\"\"$

$\"\"$ (Rewrite the expression as division expression)

To simplify the expression following order of operations to performed:

1. Evaluate the expressions inside grouping symbols.

2. Multiply and/or Divide in order from left to right.

3. Add and/or Subtract in order from left to right.

$\"\"$

According order of operations inside the grouping symbols should be evaluated first.

So, the first operation is evaluating expression in the denominator.

$\"\"$ (Multiply; $\"\"$ )

$\"\"$ (Subtract; $\"\"$ )

$\"\"$

Next operation is evaluating expression in the numerator.

$\"\"$ (Divide; $\"\"$ )

$\"\"$ (Add; $\"\"$ )

$\"\"$

Next operation is division

$\"\"$ (Divide; $\"\"$ )

$\"\"$

The value of the expression is 4.