![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd5e9c603ab9a5759042553172111e39.png\")
.
To simplify the expression follow the order of operations:
\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.
\ \\
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\")
Evaluate the expression within the brackets.
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9dc105f4b61ee2255d455e13dd889aa3.png\")
(Evaluate the power:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=161ff61383d2ca819b07c1f55a092935.png\")
)
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ef7c15ab535aab8cb4b71a346d29e751.png\")
(Add: 4 + 8 = 12)
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=810d1985a0a40c148ff68fb40ce43fca.png\")
(Multiply:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c81ff2b8f41f56362c59d939a6bc0d26.png\")
)
Next operation is division
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a2225d3f7397f12c65b35cffabd4ab75.png\")
(Divide: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=a64dbadbaa23d1f0c0a663351b752c76.png\")
) ![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of the expression is 8.