Finite Math Examples

Solve for x ( log base 3 of (1-x)^2)/(x^2-3)=0
Step 1
Set the numerator equal to zero.
Step 2
Solve the equation for .
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Step 2.1
Write in exponential form.
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Step 2.1.1
For logarithmic equations, is equivalent to such that , , and . In this case, , , and .
Step 2.1.2
Substitute the values of , , and into the equation .
Step 2.2
Solve for .
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Step 2.2.1
Rewrite the equation as .
Step 2.2.2
Anything raised to is .
Step 2.2.3
Take the specified root of both sides of the equation to eliminate the exponent on the left side.
Step 2.2.4
Any root of is .
Step 2.2.5
The complete solution is the result of both the positive and negative portions of the solution.
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Step 2.2.5.1
First, use the positive value of the to find the first solution.
Step 2.2.5.2
Move all terms not containing to the right side of the equation.
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Step 2.2.5.2.1
Subtract from both sides of the equation.
Step 2.2.5.2.2
Subtract from .
Step 2.2.5.3
Divide each term in by and simplify.
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Step 2.2.5.3.1
Divide each term in by .
Step 2.2.5.3.2
Simplify the left side.
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Step 2.2.5.3.2.1
Dividing two negative values results in a positive value.
Step 2.2.5.3.2.2
Divide by .
Step 2.2.5.3.3
Simplify the right side.
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Step 2.2.5.3.3.1
Divide by .
Step 2.2.5.4
Next, use the negative value of the to find the second solution.
Step 2.2.5.5
Move all terms not containing to the right side of the equation.
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Step 2.2.5.5.1
Subtract from both sides of the equation.
Step 2.2.5.5.2
Subtract from .
Step 2.2.5.6
Divide each term in by and simplify.
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Step 2.2.5.6.1
Divide each term in by .
Step 2.2.5.6.2
Simplify the left side.
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Step 2.2.5.6.2.1
Dividing two negative values results in a positive value.
Step 2.2.5.6.2.2
Divide by .
Step 2.2.5.6.3
Simplify the right side.
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Step 2.2.5.6.3.1
Divide by .
Step 2.2.5.7
The complete solution is the result of both the positive and negative portions of the solution.