How do you solve (x-2/3)^2 - 8= 1/3 ?

1 Answer
Nov 28, 2017

x_1=(2-5sqrt3)/3 and x_2=(2+5sqrt3)/3

Explanation:

(x-2/3)^2-8=1/3

(x-2/3)^2-25/3=0

(x-2/3)^2-75/9=0

(x-2/3)^2-((5sqrt3)/3)^2=0

(x-2/3+(5sqrt3)/3)*(x-2/3-(5sqrt3)/3)=0

Hence x_1=(2-5sqrt3)/3 and x_2=(2+5sqrt3)/3