The expression is .
(Replace c with 2.8)
(Multiply: )
(Subtract: )
The absolute value of 4 is 4
The value of the expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=747698872f772e9a57388f424795e8f2.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=78db8699f7015abb4a3f731eedd0c539.png\")
(Replace c with 2.8)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=86b0a64c22ef663fd1fb553c21892131.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=fd6e4da7986fa94060f9a77f15e05e2e.png\")
) ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1de736c47b8dcae2d6c99fd38445b6df.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d3d91d0344fd56d0d1495bcb6db77e96.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=76e92fb6e9a58c730f1bd5261079a078.png\")
.