Ask Question
13 July, 14:30

Solve x2 - 8x = 20 by completing the square. Which is the solution set of the equation?

+3
Answers (1)
  1. 13 July, 14:33
    0
    x=2, x = 6

    Step-by-step explanation:

    x² - 8x = 20 ⇌ x² - 2 (4) x = 4 + 16 ⇌ x² - 2 (4) x - 16 = 4 ⇌ (x - 4) ² = 4

    ⇌ x - 4 = 2 or x - 4 = - 2 ⇌ x = 6 or x = 2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “Solve x2 - 8x = 20 by completing the square. Which is the solution set of the equation? ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers