Log^2 x+6-5lgx=0log5 4+2log5x=2

Question

Log^2 x+6-5lgx=0
log5 4+2log5x=2

Comments

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Answer 1

Log5 4+log5x^2-log5 25=0 
Log5 4x^2/25=0 
4x^2/25=1 
X=корень25/4=5/2= 2.5