\
The word sum than indicates addition, and the symbol is ()
Thus, the algebraic expression is “”
The algebraic expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=17b1ff61cff401da6259a04b7aa4af47.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b7ff941b9c683000a6ff36fb2a62fd31.png\")
”![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=21ee2817276a631b68c9f1e9be43e294.png\")
.