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Precalculus

Course: Precalculus > Unit 4

Lesson 7: Adding and subtracting rational expressions
Math
Precalculus
Rational functions
Adding and subtracting rational expressions
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Add & subtract rational expressions

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Problem

Subtract.
The numerator should be expanded and simplified. The denominator should be either expanded or factored.
start fraction, 9, divided by, x, squared, minus, 8, x, minus, 9, end fraction, minus, start fraction, 2, divided by, x, squared, minus, 81, end fraction, equals
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