Question 541176
2x^2-8x =1
/2

x^2-4x=1/2

x^2-4x+4 = 1/2 +4

(x-2)^2= 9/2

take the square root

x-2 = +/- 3/sqrt(2)

x=2+  3/sqrt(2)
OR
x=2-  3/sqrt(2)