The expression is .
\
Apply distributive property: .
(Distribute 9)
(Product of different signs is negative)
(Multiply: )
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=076fa9694cb1505c41456f61a669babf.png\")
. ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eaec6675919dfbe8c8ac2a2e0319a3e0.png\")
.![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0152fc36dfcec11e86cbd7e17eec9277.png\")
(Distribute 9)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3e87990fae68569e5126c188937adc18.png\")
(Product of different signs is negative)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=66393b01dbd32b9b3a420ea643d778ea.png\")
(Multiply: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=68272a88828e38524e13d83a211e86c3.png\")
)![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8185162c14c2300521ca4dd43217e083.png\")
.