Which are the solutions of the quadratic equation? x squared is equal to 7 x plus 4

Move all terms to one side to get x² − 7x − 4 = 0. Using the quadratic formula gives x = (7 ± √((-7)² − 4(1)(−4)))/2 = (7 ± √65)/2. These are the two values listed in choice C.

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