\

\

\"\"

\

The expression is \"\"

\

Using Commutative property of multiplication, the statement can be written as

\

 \"\"

\

To simplify the expression following order of operations to performed:

\

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.

\

\"\"

\

In the given expression there are no grouping symbols and powers.

\

First operation is multiplication.

\

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

\

\"\"

\

The value of expression is 15a.

\