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Mathematics 8 Online
OpenStudy (-welp-):

How did they get 4? [mathway pic]

OpenStudy (-welp-):

OpenStudy (zzr0ck3r):

\(\log(x+21)+\log(x)=2\implies \log(x(x+21))=2\implies 10^2=x(x+21)\) Can you solve from here?

OpenStudy (-welp-):

Yeah. Thanks!

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