Ask Question
13 April, 00:12

What is the positive root of the equation x 2 - 2x = 120

+4
Answers (2)
  1. 13 April, 00:20
    0
    X²-2x=120

    x²-2x-120=0

    (x+10) (x-12) = 120

    x=-10, 12
  2. 13 April, 00:23
    0
    There is a shortcut.

    It can be converted to (x-1) ^2 = 121

    If you know 121 = 11^2

    Then you get x-1 = 11 or - 11, so x = 12 or - 10
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “What is the positive root of the equation x 2 - 2x = 120 ...” 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