For what value of k. (-4) is x² – x-(2k + 2) a zero of the polynomial? ​

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1. [tex]\huge\color{cyan}\boxed{\colorbox{black}{⚛solution:-}} [/tex]

   x²-x-(2k+2)=(-4)²-(-4)

   = -(2k+2)=0 =20-2k-2=0

   18-2k=0

   Hence K = 9 (Answer)

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