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What is the solution of the equation x^2 - 4x + 3 = 0?

  1. {-5, 2}

  2. {2, 1/2}

  3. {-1, 5}

  4. {2, -3}

The correct answer is: {2, -3}

The solution of an equation is the value of the variable that makes the equation true. In this case, we are looking for the values of x that make the equation x^2 - 4x + 3 = 0 true. To find the solution, we can use the quadratic formula or factor the equation. Option A {-5, 2} is incorrect because when we substitute -5 or 2 for x, the equation does not equal 0. Option B: {2, 1/2} is also incorrect because 1/2 is not a solution of the equation. Option C: {-1, 5} is incorrect as neither -1 or 5 make the equation true. Option D: {2, -3} is the correct answer because when we substitute these values for x, the equation is equal to 0. Therefore, the solution