x^2-4x+3=0?

use quadratic formula

JOS J2016-10-25T16:23:24Z

x = 1 || x = 3

Stem2016-10-25T16:28:29Z

look up the quadratic formula and plug everything in... a is 1 because that is the number before x^2. b is -4 and c is 3

your equation you have above is ax^2+bx+c=0