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6 January, 12:55

Ax³+bx²+cx+d=0

In the equation above a, b, c, and d are constants. If the equation has roots - 1, - 3, and 5, which of the following is a factor of ax³+bx²+cx+d?

1. x-1

2. x+1

3. x-3

4. x+5

+5
Answers (1)
  1. 6 January, 13:38
    0
    2. x + 1

    Step-by-step explanation:

    The roots are - 1, - 3, and 5, so the factors are:

    x - (-1) = x + 1

    x - (-3) = x + 3

    x - 5

    Only the second option is one of the factors.
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