Find n if 142n=47 ten

Answer 1

One hit that is

142basen=47

(1×n²)+(4×n¹)+(2×n⁰)=47

n²+4n+2=47

n²+4n-45=0

n²+9n-5n-45=0

What would you do from here?

Answer 2

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Answer 3

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Answer 5

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