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8 May, 01:54

Ar which root does the graph of P (x) = (x + 4) (x + 7) cross the x-axis?

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Answers (2)
  1. 8 May, 02:02
    0
    (-4,0) (-7,0)

    Step-by-step explanation:

    The x axis is crossed when y = 0.

    That happens in two places.

    x + 4=0 is one place

    x = - 4 when it does.

    x + 7 = 0 is the other.

    x = - 7
  2. 8 May, 03:32
    0
    X=-4 and x=-7 is the answer for this one
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