Question

For what value of k,(-4) is a zero of the polynomial x²-x-(2k+2)?P(x)=6x^3+32x^2+kx-10 ,if the factor is 3x+2. Find the value of k

Answer 1

Answer:

-4 is zero value for p(x)=

p(-4)=0

substitute -4 in in polynomial

(-4)^2-(-4)-(2k+2)=0

16+4–2k-2=0

20–2k-2=0

18–2k=0

-2k=-18

k=9

Answer 2

Step-by-step explanation:

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