Adding and subtracting rational expressions is similar to adding fractions. When adding and subtracting rational expressions, we find a common denominator and then add the numerators. To find a common denominator, factor each first. This strategy is especially important when the denominators are trinomials.
Sample Problems (14)
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Solve 2√3x + 7 − 1 = 7. Check your answer.
|√2 − 1||√2|