Ask Question
14 February, 03:25

What are the solutions of the equation x^2-1=15

+3
Answers (1)
  1. 14 February, 03:58
    0
    Answer: x = + 4 or - 4

    Step-by-step explanation:

    x² - 1 = 15

    x² = 15 + 1

    x² = 16

    Therefore, to solve for x we take the square root of both side

    √x² = + / -√16

    x² = + / -4

    so, x = + 4 or - 4
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What are the solutions of the equation x^2-1=15 ...” 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