Question

if x+1is a factor of the polynomial 2×^2+kx then the value of k is​

Answer 1

Step-by-step explanation:

x+1

x+1=0

x=-1

2x^2+2kx

2*-1^2+2*k*-1

-2^2+(-2k)

4-2k=0

-2k=-4

k=2

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