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10 November, 13:58

Find the solution set x^2+2x-15=0

+5
Answers (1)
  1. 10 November, 15:53
    0
    x = 3 or x = - 5

    Step-by-step explanation:

    x² + 2x - 15 = 0

    Factor left side of equation.

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

    Set factors equal to 0

    x - 3 = 0

    x = 3

    x + 5 = 0

    x = - 5
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