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2 February, 16:52

3. If x² + 4 = 29, then x? - 4 = ?

A. 5

B. V21

C. 21

D. 25

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Answers (1)
  1. 2 February, 17:22
    0
    X²+4=29

    Collect like terms

    X²=29-4

    X²=25

    Take the square root of both sides to find the value of X

    √X² = √25

    X = 5

    X - 4 = 5 - 4=1
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