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Math Help - How find the 3 value of x by using Calculator

  1. #1
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    How find the 3 value of x by using Calculator

    Hi all
    How find the 3 value of x by using Calculator
    u = 4x^3 - 4x = 0
    I know this good way to solve iy
    4x(x^2-1) = 0
    X = 1 or X = -1 or X = 1
    but I want a way bu useing a Calculator to find the 3 value of x
    plese help me .
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  2. #2
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    Quote Originally Posted by r-soy View Post
    Hi all
    How find the 3 value of x by using Calculator
    u = 4x^3 - 4x = 0
    I know this good way to solve iy
    4x(x^2-1) = 0
    X = 1 or X = -1 or X = 1
    but I want a way bu useing a Calculator to find the 3 value of x
    plese help me .
    graph and locate the x-intercepts ...
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