The expression is .
\
Apply distributive property: .
(Distribute 3)
(Multiply: )
(Subtract: 15 – 10 = 5) \ \
Simplified expression is .
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=14920528957df8cefbb73cc0604638a4.png\")
.![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=8c77c69232cc51dfc4650dba7ce3baf2.png\")
.![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=f9f9e7ce878275987361e30f5463194f.png\")
(Distribute 3)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=b0ebd940a9e90b8a2521ae7e84fc64b6.png\")
(Multiply: ![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6687bba523c30db193c4190366acc55a.png\")
)![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=0c7d6495c255aafdb13a43df24ed31f3.png\")
(Subtract: 15 – 10 = 5) \ \
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
![\"\"](\"/MathKey/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=d851b01b50030c0b29a229754fcc4a9d.png\")
.