Question #N975
If $x^2-4x+3 = 0$, what is the sum of the solutions of this equation?
A. -4
B. -3
C. 3
D. 4
Correct Answer is: D
We can factor the quadratic equation: $(x-1)(x-3)=0$. This tells us that the solutions to the equation are $x=1$ and $x=3$. The sum of these solutions is $1+3 = 4$.