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Home > A2C > Chapter 12 > Lesson 12.2.1 > Problem 12-86

12-86.
  1. Factor each of the expressions below, if possible. Homework Help ✎

    1. 3x2 − 18x

    2. 3k2 + 13k + 10

    3. 6m2 − 13m − 5

    4. 9t2 − 25

3x is a common factor.

Use a generic rectangle.

(3k + 10)(k + 1)

See part (b).

This is a difference of squares.