### Home > INT3 > Chapter Ch12 > Lesson 12.1.3 > Problem 12-42

12-42.

Simplify each expression below. Homework Help ✎

Multiply both the numerator and the denominator by a common denominator; use Giant Ones to eliminate the denominators.

Factor the denominator and then simplify. (Look for another Giant One.)

Follow the steps in part (a).

A common denominator is

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