Ask Question
25 April, 20:51

What are the solutions of x^2-4x-9=29

+4
Answers (2)
  1. 25 April, 21:17
    0
    x = - 4.48, 8.48 to the nearest hundredth.

    Step-by-step explanation:

    x^2 - 4x - 9 = 29

    Completing the square:

    (x - 2) ^2 - 4 - 9 = 29

    (x - 2) ^2 = 29 + 13 = 42

    x - 2 = + / -√42

    x = 2 + / -√42

    x = 8.48, - 4.48.
  2. 26 April, 00:50
    0
    Answer: x = (4-√168) / 2=2-√ 42 = - 4.481

    x = (4+√168) / 2=2+√ 42 = 8.481
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What are the solutions of x^2-4x-9=29 ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers