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Home > A2C > Chapter 5 > Lesson 5.1.2 > Problem 5-27

5-27.
  1. Solve each of the following equations using any method. Homework Help ✎

    1. 2(x + 3)2 − 5 = −5

    2. 3(x −2)2 + 6 = 9

    3. 3 times the square root of 5x - 2 + 1 = 7

2(x + 3)2 = 0

(x + 3)2 = 0

x = −3

See part (a).

2x − 5 = ± 21

x = −8 or x = 13