Need help with solving logarithmic equations
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Riya Hansen
Answered question
2022-07-02
Need help with solving logarithmic equations and No clue how to approach this problem..
Answer & Explanation
Caiden Barrett
Beginner2022-07-03Added 20 answers
Hint: In each case, you have quadratics in : In the first, put . Then you have For the second, put . Then you have Note: Both quadratic equations factor quite nicely.
We can see immediately that in both solutions, must necessarily be positive, since . So we're left with
So we have
And we have
Joshua Foley
Beginner2022-07-04Added 3 answers
a. Let Solve the quadratic equation to get:
But remember so:
both sides of the equation to get:
You cannot take the of a negative number so that solution is not applicable.