Question

If x-3 is a factor of x^2 +4x +k then the value ofis

Answer 1

It will depend on the value of k

Answer 2

Suppose, X-3=0

X=3

P(x)=X^2+4x+k

P(3)=(3)^2+4(3)+k

0=9+12+k

K=21

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