\
The function is \ \
(Substitute x = 4)
(Evaluate power: )
Next operation is subtraction
(Subtract: )
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=993814aed16a7de5f948444b199336d2.png\")
\ \
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f790777281e12b78bbce331681a362ba.png\")
(Substitute x = 4)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=759263adcb5ad66736a647dec77b662e.png\")
(Evaluate power: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6c3cf133697ba78a4908e748ab6a27bc.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9329bda6008f536394bee76911478c41.png\")
(Subtract: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3f75a58ce1feef0458a7147104de0827.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")