![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4f2ce2a77f5fc7c67c51b7165bb3cc01.png\")
\ \
\
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=e48194405da4f32cfa2baa7d17fd3b54.png\")
(Substitute 10 for x and 8 for y)
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 Subtraction.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=7e584398562a7cf0a207f5b2caccd081.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=238512752e947e7158d4207498d5e6ce.png\")
)
Next operation is addition.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9f1829e37e52dc2d606c1f9d48720b5a.png\")
(Add: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=68e3a43f16a9fba7a07f8477fb32db91.png\")
)
Next operation is division.
\![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=57759afab55f793155d839a8bd6880d3.png\")
(Divide: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f08f101991f483d31a301e2c4591fd7e.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of the expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=67d1b958c2a67380369c508ec6a5151a.png\")
.