Question

(d) y= x² -4x+3 find the roots​

Answer 1

Step-by-step explanation:

x^2-4x+3=y

or,x^2-(3+1)x+3=y

or,x^2-3x-x+3=y

or,x(x-3)-x(x-3)=y

or,(x-3)(x-3)=y

Either, x-3=y

x=y+3

Or,x-3=y

x=y+3