![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
\
The expression is ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d487e0f47adb470cac03346189441d20.png\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ac50186bdb01330fbce6540cb56d8852.png\")
(Substitute 10 for x, and 7 for y)
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 there is no grouping symbols.
\First operation is multiplication.
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2b14047f76b7002c621028142fce38e5.png\")
(Multiply:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4bd835023ebce780ca358320beba7f62.png\")
)
Next operation is subtraction.
\![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=368014ba9ed45963c71e4df6aef7a547.png\")
(Subtract 30 and 7:![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8e8fb413d187a78b8ae170ddf6e76746.png\")
)
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
The value of the expression is 23.
\