idk122113
idk122113
24-10-2017
Mathematics
contestada
-2log5 7x=2
the 5 is small please help me
Respuesta :
harpazo
harpazo
24-10-2017
-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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