Ask Question
19 September, 02:24

4x^2=81 how do I figure this out

+3
Answers (1)
  1. 19 September, 05:23
    0
    x = ± 9/2

    Step-by-step explanation:

    isolate the

    x

    2

    term, by dividing by 4

    hence

    x

    2

    = 81/4⇒

    x

    =

    ±



    81

    4

    =

    ±

    9

    2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “4x^2=81 how do I figure this out ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers