$\"\"$

The expression is $\"\"$ .

$\"\"$ (Replace x, t and y with 3, 4 and 2)

To simplify the expression follow the order of operations:

1. Evaluate the expressions inside grouping symbols.

2. Evaluate powers.

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

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

A simple technique for remembering the order pf operations is turned into phrase

“Please Excuse My Dear Aunty Sally” $\"\"$

In the given expression there are no grouping symbols.

First operation is evaluating the power.

$\"\"$ (Evaluate power: $\"\"$ )

Next operation is multiplication.

$\"\"$ (Multiply: $\"\"$ )

$\"\"$

The value of the expression is 96.