Credit enquiries, help?

So, before you call me stupid, I know. I was dumb and applied for a bunch of credit cards and loans all at once not thinking it would go on my credit report and affect my score. obviously, I was wrong. My question is, how long will all of these enquiries affect my score for? I messed up bad, haven't had any... show more So,

before you call me stupid, I know. I was dumb and applied for a bunch of credit cards and loans all at once not thinking it would go on my credit report and affect my score. obviously, I was wrong.

My question is, how long will all of these enquiries affect my score for? I messed up bad, haven't had any defaults or anything like that, it's purely just the amount of credit enquiries I have on my report that has made my credit score bad or "below average"

Help?
P.S. Please base off Australian credit
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