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Set up the two equation: A x B = 196 and A + B = -28 Solve for A or B in one equation and then plug that into the other equation: A = -28 - B and then (-28 - B) X B = 196 Solve that equation for B, using the quadratic equation, and plug it back into either of the original equations and solve for A. You will find that the answer is that A and B both equal -14.