- #1

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## Homework Statement

Solve the logarithmic equation for x:

Log

_{2}(x^2 - x - 2) = 2

## Homework Equations

## The Attempt at a Solution

I'm just totally lost on how to even start...

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- Thread starter NextElement
- Start date

- #1

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Solve the logarithmic equation for x:

Log

I'm just totally lost on how to even start...

- #2

UltrafastPED

Science Advisor

Gold Member

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Hint: if : Log_{2} (z) = 2, then z=2^2=4.

- #3

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Solved it. Totally forgot that if you put log base 2 as the power of 2, they cancel!

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