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23 September, 04:46

Graph x^3 + 3x^2 - x - 3 = 0. What are the solutions to the equation?

x = - 3, x = 0, and x = 1

x = - 3, x = - 1, and x = 0

x = - 3, x = - 1, and x = 1

x = - 1, x = 1, and x = 3

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Answers (1)
  1. 23 September, 04:48
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    x = - 1, x = 1, and x = - 3

    Step-by-step explanation:

    hello:

    if : x=1 1^3 + 3*1^2 - 1 - 3 = 1+3-1-3 = 4-4=0 ... true

    if : x=-1 (-1) ^3 + 3 * (-1) ^2 + 1 - 3 = -1+3.+1-3.=0 ... true

    if : x=3 (-3) ^3 + 3 * (-3) ^2 + 3 - 3 = -27+27+3-3.=0 ... true
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