x^2-4x+3=0?

use quadratic formula

Krishnamurthy2016-10-25T16:45:12Z

x^2 - 4x + 3 = 0
x
= [4 ± √(16 - 12)]/2
= 2 ± 1
Solutions:
x = 1
x = 3

JOS J2016-10-25T16:23:57Z

x = 1 || x = 3