Finite Math Examples

,
Distribute the value across the operation.
Evaluate .
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Replace the variable with in the expression.
Simplify the result.
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Remove parentheses.
The final answer is .
Evaluate .
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Replace the variable with in the expression.
Simplify the result.
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Remove parentheses.
The final answer is .
Compose the result function for by replacing the function designators with the actual functions.
Simplify.
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Rewrite the division as a fraction.
Simplify the numerator.
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Rewrite as .
Since both terms are perfect squares, factor using the difference of squares formula, where and .
Reduce the expression by cancelling the common factors.
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Cancel the common factor.
Divide by .
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