\

\

--------------------------------

\

The expression is \"\"

\

 \"\"                                       (Replace w with 7)

\

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.

\

---------------------------

\

First operation is subtracting the values within the parenthesis

\

\"\"                                                (Subtract \"\")

\

Next operation is multiplication.

\

\"\"                                                   (Multiply\"\")

\

-----------------------

\

The value of the expression is \"\".

\