Use the zero product property to find the solutions to the equation x2 + 12 = 7x.

Move all terms to one side: x² − 7x + 12 = 0. Factor the quadratic as (x − 3)(x − 4) = 0. By the zero product property, x − 3 = 0 or x − 4 = 0, so x = 3 or x = 4. The correct choice is D, “x = 3 or x = 4.”

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