find zeroes of x3 - 3x2 - 4x +12 if two of the zeroes are equal in magnitude but opposite - Maths - Polynomials

Question

find zeroes of x3 - 3x2 - 4x +12 if two of the zeroes are equal in
magnitude but opposite in sign

Priyanka Kedia · Accepted Answer

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find zeroes of x3 - 3x2 - 4x +12 if two of the zeroes are equal in magnitude but opposite in sign.