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Home > CCA2 > Chapter 5 > Lesson 5.2.5 > Problem 5-124

5-124.

Some of the following algebraic fractions have common denominators and some do not. Add or subtract the expressions and, if possible, simplify. Homework Help ✎

Try factoring after subtracting.

See part (a).

Factor to find the common denominator, then use the strategy from part (a) to simplify.

If your answer was 

check the step where you subtracted.

−(x − 3) = x + 3