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Can I simplify (12960 - 0.1x^2) / 0.2x^2 any further? How?

  • Math - ,

    nope.
    unless you count (129600-x^2)/2x^2 as simpler

  • Math - ,

    Thank you!
    How would I solve
    1 = (12960 - 0.1x^2) / 0.2x^2

  • Math - ,

    just as you normally would:

    1 = (12960 - 0.1x^2) / 0.2x^2
    1 = (129600-x^2)/2x^2
    2x^2 = 129600 - x^2
    3x^2 = 129600
    x^2 = 43200
    x = ±120√3

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