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Solve the logarithmic equation log(x+2)+logx=3log2 algebraically?

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Solve the logarithmic equation log(x+2)+logx=3log2 algebraically?

solve-logarithmic-equations

asked Feb 9, 2015 in PRECALCULUS by anonymous

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1 Answer

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Step 1 :

Logarithmic properties :

If , then

Step 2 :

The equation is .

Rewrite the expression using above logarithmic properties.

If , then

Logarithm of negative numbers does not exist.

The solution is

Solution :

The solution is

answered Feb 9, 2015 by Thomas Apprentice

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