Solve the inequality

or

Solving the first inequality:

or

Solving the second inequality:

so, or or

But the answer is or

Where did i go wrong? please advise, thanks!

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- Jun 2nd 2011, 11:39 PMPunchSolving inequality with modulus
Solve the inequality

or

Solving the first inequality:

or

Solving the second inequality:

so, or or

But the answer is or

Where did i go wrong? please advise, thanks! - Jun 3rd 2011, 12:15 AMFernandoRevilla
- Jun 3rd 2011, 12:35 AMPunch
but how would that change my answer?

- Jun 3rd 2011, 02:37 AMHallsofIvy
You found x= -1.19 as a solution to (x+2)(x-3)> 2x-1 but |2x-1|= 2x-1 only if 2x-1>= 0 or x>= 1/2, as FernandoRevilla said. -1.19 is NOT greater than 1/2.