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-2log5 7x=2 the 5 is small please help me

-2log5 7x=2 the 5 is small please help me
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2 votes
-2log5 7x=2

the 5 is small please help me

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User Zhanzhou Ta
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1 Answer

1 vote
-2log_5 7x = log_5 2

log_5[1/(7x)^2] = log_5 2

log_5(1/49x^2) = log_5 2

log_5(1 - 49x^2) = log_5 2

1 - 49x^2 = 2

You finish.

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User Jstuff
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