Which equation could be solved using the graph above?
A. x^2+4x+3=0
B. x^2-4x+3=0
C. x^2-6x+9=0
D. x^2-1=0
![Which equation could be solved using the graph above A x24x30 B x24x30 C x26x90 D x210 class=](https://us-static.z-dn.net/files/d09/cb00c536677d797624880b011395565b.png)