Symbol  means greater than and symbol  means less than.

Where values are all real numbers.

The condition is .

Solve the inequality.

                      (Original inequality) \ \

         (Add on each side)

                          (Simplify)

For all negative values of , the inequality is true.

The condition is .

Solve the inequality.

                      (Original inequality) \ \

         (Add on each side)

                          (Simplify)

For all positive values of , the inequality is true.

The condition is .

Solve the equation.

                      (Original equation) \ \

         (Add on each side)

                          (Simplify)

The expression is true for .

For all negative values of , the inequality is true.

For all positive values of , the inequality is true.

The expression is true for .