Solve logx + 5 36 = 2.


Asked by maham237 @ in Mathematics viewed by 298 People


PLEASE HELP!!!!
Solve logx + 5 36 = 2.
options:
x=1
x=11
x=13
x=23
ok so I think it may be 13 or 23 but I'm not sure which. Any ideas?

Answered by maham237 @




\displaystyle\\
\bf\\
log_{x+5} 36 = 2\\\\
\Longrightarrow~~(x+5)^2 = 36\\\\
(x+5)^2 = 6^2\\\\
x+5= 6\\\\
x = 6 - 5 = \boxed{\bold{1}}




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