Find the zero of following quaderatic polynomial and verify the relationship between the zeros and the cofficent x^2-2x-8
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X²-2x-8
X²+4x-2x+8
(x²+4x) (-2x+8)
X(x+4) 2(x+4)
(X-2)(x+4)
X= 2
X= - 4
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