\
The expression is
.
\
(Replace
c
with 1.8)
\
(Multiply:
)
\
(Subtract:
)
\
\
The value is
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2596e3d3d733dcfcfef3761ace71ec21.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=961ab137e07c854aabc4478e4ceb0246.png\")
(Replace c with 1.8)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=95b4a886da6930d6a0612f7620795415.png\")
(Multiply: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8f0d87b85a354ab82e0e3cae98c25d66.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=268bd539adc03c0724fb7975292c03f1.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4555ba52ec26e6e82c1884a3ad8bee77.png\")
) ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=696f641d0c6e2b468dee4f0111b655a3.png\")