Math, asked by ananyasparadise, 1 year ago

please answer fast !!!

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Answered by Lejack

1

Answer:

Step-by-step explanation:

p(x) = x^3 - 20x +5k

g(x) = x+5

x+5 = 0

x = -5

p(-5) = (-5)^3 - 20(-5) + 5k = 0

-125 + 100 + 5k = 0

-25 + 5k = 0

5k = 25

k = 25/5

k = 5

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