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18 November, 15:44

What is the factored form of

z^2 - 2z - 3

+2
Answers (2)
  1. 18 November, 15:50
    0
    Z = 3 and z=-1

    D = b^2 - 4ac = 4

    z1 = (-b+D) / 2a = (2+4) / 2x1 = 3

    z2 = (-b-D) / 2a = (2-4) / 2x1 = - 1
  2. 18 November, 15:55
    0
    z=1 z=-3

    Step-by-step explanation:

    take z^2 times it to - 3 then factor for - 2 and reverse the answer
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