Question

if x= 4, then radical (x-1)^2+2x/x equals what?
a. 1 1/4
b. radical 6
c. 2.5
d. 6 1/4

Answer 1

everywhere you see an x, replace it with 4

Answer 2

after doing that, evaluate and simplify

Answer 3

11

Answer 4

This is a simple case of substitution and solving. plug in 4 for every x, then just do the algebra.