![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=192992dd38cc5f0ae3350a71105e510f.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=13fda3876ba90e2526b51125e87de0b0.png\")
(Replace a, b, c with 6, 4, 5)
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 statement there are no grouping symbols and multiplication/division symbols.
\First operation is addition.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f06c4dacf88245ec5f7d31970a42395a.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7478c4b96324ecfd94fdb268b78c64af.png\")
)
Next operation is subtraction.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7cb0a9b56c2008da2485ba584174adc2.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=03bfa1d5f1e75592519352277413bdf3.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of the expression is 5.
\