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24 October, 18:04

Which of the following is a solution to the quadratic equation x2-3x-54=0

A. 9

B. - 57

C. 27

D. 2

+3
Answers (2)
  1. 24 October, 18:10
    0
    X2-3x-54=0

    Answer: A. 9
  2. 24 October, 18:21
    0
    A

    Step-by-step explanation:

    x² - 3x - 54 = 0

    x² - 9x + 6x - 54 = 0

    x (x - 9) + 6 (x - 9) = 0

    (x - 9) (x + 6) = 0

    x = - 6,9
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