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Home > CCA > Chapter 8 > Lesson 8.1.5 > Problem 8-49

8-49.
  1. Factor each polynomial. Homework Help ✎

    1. x2 − 64

    2. y2 − 6y + 9

    3. 4x2 + 4x + 1

    4. 5x2 − 45

This is a difference of two squares.

(x + 8)(x − 8)

This is a perfect square trinomial.

(y − 3)2

Look at the hint in part (b).

Start by factoring out the greatest common factor. Then look at the hint in part (a).