Question

if x+1 is a factor of polynomial 2xsquare + Kx then find value of k
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Answer 1

Answer:

Step-by-step explanation:

k=-2

because

f(x) = 2x2+ kx

f(-1) =2*-1+ k*-1 =0

-2+k-1=0

k-1=2

k = 2/-1=-2