The inequality is .
Solve the inequality.
\ (Original inequality)
(The cross product)
(Apply distributive property:
)
(Add
to each side)
(Apply additive inverse property:
)
(Add:
)
(Subtract
from each side)
(Apply additive inverse property:
)
(Subtract:
)
\
The graph of the solution set on a number line diagram.
\A dot means that this point is included in the solution set.
Check solution for -value.
Case(i):
(Original inequality)
(Substitute
)
(Multiply)
(Substitute:
and
)
(Simplify)
Since, is true inequality.
Case(ii):
(Original inequality)
(Substitute
)
(Multiply)
(Substitute:
and
)
(Simplify)
Since, is true inequality.
The solution set of the inequality is .