Find the value of k,-4 is a zero of the polynomial x²-x-(2k+2)

1.	Find the value of k,-4 is a zero of the polynomial x²-x-(2k+2)
Answer» X²-x-(2k+2)=0(-4)²-(-4)-(2k+2)=016-4-(2k+2)=0-2k-2= -12-2k= -12+2k= -10/-2=5(K =5) k=9

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