The expression is .
(Replace c with 4.2)
(Multiply: )
(Absolute value of )
The value of the expression is 12.6.
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=601214ad640692ac2c6541aa9722d767.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=5052ee1a4192fc19396041aaf2137a27.png\")
(Replace c with 4.2)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b6157e0b6f7e16745f70892094db052f.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=1d844246644535e2b6bb99bcc0f65f43.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6dd705300c6266693e2386e3b1c48de7.png\")
(Absolute value of ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=71a06d4b5bce0897d5c8f7fd57d3d5ae.png\")
)![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")