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Home > A2C > Chapter 12 > Lesson 12.4.1 > Problem 12-167

12-167.
  1. Solve the equations below. Homework Help ✎

    1. (x + 2)2 − (x − 2)2 = 8

    2. (x + 2)2 + (x − 2)2 = (2x)2

Expand the binomials before distributing the minus (−).

x = 1

Square each term first.