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Home > PC > Chapter 6 > Lesson 6.4.2 > Problem 6-157

6-157.
  1. Solve for x. Homework Help ✎

    1. 2x2 − 5 = 2x

    2. 6x4 = x2 + 5

    3. = 7

    4. 2 +

Use the Quadratic Formula.

1. Bring all terms to the left side and set = 0.
2. Factor.

2. Then square both sides and multiply out the right side.

x = 4

Multiply all terms by (x − 1)2.