The expression is .
(Apply distributive property: )
(Apply product of powers property)
The product of is .
The option B is correct.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=c216627fb3b71a14027b9e6ab2d30196.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=cb4cc013f55119db9f6718cb20bfe6eb.png\")
(Apply distributive property: ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2ca759e2ab6e91a6d919095b13a54a03.png\")
)![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=548666a6bf88467f617908e3dc9c0b3f.png\")
(Apply product of powers property)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=439d3dc857413bfda9a8bcc2a6c3b784.png\")
.