Scores different and Experian will not remove accounts Transunion will

I can't seem to get Experian to remove anything from my reportI have had good success with TU and Great success with Eqfx.Why is this happening ?
Scores
Transunion...625
Experian...533
Equifax..625
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I hear this all the time
Experian is the biggest and most experienced of the three.
I would think, If you had evidence they would take stuff off with this form
Credit Dispute Form
I cannot explain this though.
Keep new good credit open. Do not get new bad marks.
Eventually the score will rise no matter what.
1 2 years and your score will be 700