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Mathematics 10 Online
OpenStudy (kguitar16):

Write 1 - 2log7x as a single logarithm.

OpenStudy (acannell):

1-2log(7x)=log(10) on base 10 - log(7x)^2 in base 10 so it becomes log(10/7x^2) in base 10 Hope i helped!!!

OpenStudy (kguitar16):

thank you yes !

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