![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2a55918f55f444324751b1daf14f1542.png\")
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.
\![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
According order of operations inside the grouping symbols should be evaluated first.
\First operation is subtracting the numbers within the parenthesis.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=da6ae3a335b1515071798b39da63935f.png\")
(Subtract:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=46f3c8d794217bec94a1d2aeed388317.png\")
)
Next operation is addition.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=497e3ca02116d7188ea6669c409c5a4b.png\")
(Add 8 and 4:![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2159df8d332f1a541b8621f212335b53.png\")
)
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of the expression is 12.
\