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27 September, 13:53

Since f (x) has the factors x, x - 3, and x + 2, then we must have f (x) = a (x) (x - 3) (x + 2) for some as yet unknown multiplier a. However, since it was given that f (2) = 40, we substitute 2 for x and 40 for f (x) and solve.

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  1. 27 September, 13:59
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    a = - 5.

    Step-by-step explanation:

    40 = a*2 * (2-3) (2+2)

    40 = - 8a

    a = - 5.
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