Question

find the value of k if (x+2) is a factor of p(x)= x³+6x²+4x+k​

Answer 1

Answer:

k = -8

Step-by-step explanation:

x + 2 = 0

x = -2

Put p(x) as p(-2)

p(x)= x³+6x²+4x+k

p(-2)= (-2)³+6(-2)²+4(-2)+k = 0

-8 + 24 - 8 + k = 0

8 + k = 0

k = -8

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