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#1 2013-08-21 20:03:26
- AlbertMThomas
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- Registered: 2013-08-21
- Posts: 9
Logarithms problem
IF log2[log3(x²-7x+15)]=1, find x ... PLS PROVIDE STEPS?
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#2 2013-08-21 21:06:53
- Bob
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- Registered: 2010-06-20
- Posts: 10,140
Re: Logarithms problem
hi AlbertMThomas
Welcome to the forum.
note: 'log base n' and 'n to the power of' are inverse functions of each other.
So you can simplify the equation to
Can you finish it from here? 
Bob
Children are not defined by school ...........The Fonz
You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei
Sometimes I deliberately make mistakes, just to test you! …………….Bob
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#3 2013-08-21 22:05:13
- AlbertMThomas
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- Registered: 2013-08-21
- Posts: 9
Re: Logarithms problem
LOL THANKS!! I reached the answer before! just needed to make sure if there is other ways
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