Find the zero of the polynomial 4x^2 - kx - k, find the value of k ? send me the picture of the solution for a better understanding !!!
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x=1
4×1^2-k×1-k=0
4-k-k=0
4-2k=0
-2k=-4
k=-4/-2
k=2
4×1^2-k×1-k=0
4-k-k=0
4-2k=0
-2k=-4
k=-4/-2
k=2
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