

The expression is
.
Distribute terms using distributive property: a(b
c) = ab
ac.
(Distribute
)
Distribute terms using distributive property: a(b + c) = ab + ac.
\
(Distribute
)
(Miltiply:
)
(Divide:
)
Apply commutative property of addition:
.

Combine like terms using distributive property:
.

(Add:
)
(Subtract:
)
The simplified expression is
.