![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3a231f5401ca117825224c1f7f6ed85c.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b9d6f3b6ebe3482d34c24bdd5a2e6170.png\")
(Substitute k = 3)
To simplify the expression follow the order of operations: (PEMDAS)
\ \1. Evaluate the expressions inside Brackets/Parenthesis (P).
\2. Evaluate Powers/Exponents (E).
\3. Multiply and/or Divide in order from left to right (MD).
\4. Add and/or Subtract in order from left to right (AS).
\A simple technique for remembering the order pf operations is turned into phrase
\“Please Excuse My Dear Aunty Sally”![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
In the given expression there are no grouping symbols and powers.
\First operation is multiplication.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=32e9612309c438534341fec6231f7295.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5b5f3c9ae2c6b926c92a8872a51233ab.png\")
)
Next operation is division.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f82a43698214675cca309b612f563db8.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f209e5a594cadba7d4d9c0376259eb5.png\")
)
Next operation is addition.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=497e3ca02116d7188ea6669c409c5a4b.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3ff09ce30c40e92b1138c3d20efba2ab.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of expression is 12.