Ask Question
22 December, 06:00

What are the solutions of the equation x6 - 9x3 + 8 = 0? Use u substitution to solve

+3
Answers (1)
  1. 22 December, 09:32
    0
    X6 - 9x3 + 8 = 0

    let u = x^3

    u^2 - 9u + 8 = 0

    (u-8) (u-1) = 0

    u = 1,8

    back substitute

    1 = x^3

    8 = x^3

    x = 1, 2
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “What are the solutions of the equation x6 - 9x3 + 8 = 0? Use u substitution to solve ...” 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