If (x + k) is a factor of the polynomial x2 – 2x – 15 and x3 + a. Find k and a.
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If (x + k) is a factor of the polynomial x2 – 2x – 15 and x3 + a. Find k and a.
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Step-by-step explanation:
the factors are x+3 x-5
k=3 a=-5