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Home > PC > Chapter 2 > Lesson 2.1.1 > Problem 2-10

2-10.

Factor out (x + 2) from each expression, then simplify.

Think about this problem as factoring w2 – 3w, where w = x + 2.

  1. (x + 2)2 − 3(x + 2)

    (x + 2)((x + 2) − 3)

    (x + 2)(x − 1)

  2. (x + 2)3 − 4(x + 2)

    Follow the same process as (a) above.

  3. 2(x + 2)2 + 6(x + 2)

    Follow the same process as (a) above.