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Home > INT3 > Chapter 11 > Lesson 11.2.4 > Problem 11-109

11-109.
  1. For each of the following rational expressions, add or subtract, then simplify. Homework Help ✎

The denominators are the same, so just add the numerators.

Factor the numerator and look for a Giant One.

2

See part (a).

The product of the two denominators is the common denominator. Multiply each term by a Giant One to make the denominators the same.

Distribute:

Now, subtract. Notice you are subtracting a negative 2 in the second term.

See part (c).