i need help with a math problem

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Anonymous

i need help with a math problem 2016-01-24 21:50:29 Post No. 7807896

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i need help with a math problem 2016-01-24 21:50:29 Post No. 7807896

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Determine the base of the number, explain me the process ;_;!!!!!

x2 − 11x + 22 = 0

x=3 x=6

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>>7807896

There are literally thousands of primary school tutors out there, anon. Out of every place, you chose here, and worst of all didn't even read the rules.

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>>7807896

Base 8.

You can confirm by plugging 3 into the equation. You will get -2. So obviously, your base is 2 off to the left. I was of course, doing it in base 10 so 2 to the left of 10 is 8.

However, I never did a problem like this so to not end up like an idiot, I did confirm it using my calculator that can calculate in different bases.

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base 8

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well i have this but now i dont know what to do :c

x2 − 11x + 22 = (x − 3) (x − 6)

x2 − (b+1)x + (2b+2) = (x − 3) (x − 6)

>>

https://youtu.be/3B0TqabK2a8?t=17m16s

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