Home Improvement Questions? Ask a Handyman for Answers
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They should get rid of the weeds and fix the patch. The patch may be too thin if weeds apparently have no trouble germinating and pushing through.
Home Advisor is a good source for referrals and has strict policy rules for the contractors who use the site. This isn't something you want to do yourself. The only product you could get would be cold patch which isn't a good solution for your problem.