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19 September, 04:43

What are the zeros of the function below? Check all that apply.

F (x) = (x - 2) (x + 1) / x (x - 3) (x + 5)

+3
Answers (2)
  1. 19 September, 05:04
    0
    x = 3 or x = 2 or x = - 1 or x = - 5

    Step-by-step explanation:

    Solve for x:

    ((x - 3) (x - 2) (x + 1) (x + 5)) / x = 0

    Multiply both sides by x:

    (x - 3) (x - 2) (x + 1) (x + 5) = 0

    Split into four equations:

    x - 3 = 0 or x - 2 = 0 or x + 1 = 0 or x + 5 = 0

    Add 3 to both sides:

    x = 3 or x - 2 = 0 or x + 1 = 0 or x + 5 = 0

    Add 2 to both sides:

    x = 3 or x = 2 or x + 1 = 0 or x + 5 = 0

    Subtract 1 from both sides:

    x = 3 or x = 2 or x = - 1 or x + 5 = 0

    Subtract 5 from both sides:

    Answer: x = 3 or x = 2 or x = - 1 or x = - 5
  2. 19 September, 06:59
    0
    the answer is 2 and - 1 just had the same question and got it wrong
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