#1**+2 **

Rearrange as

sqrt ( 2x - 4) = x - 6 (1) square both sides

2x - 4 = x^2 - 12x + 36 simplify

x^2 - 14x + 40 = 0

(x - 10) (x - 4) = 0

So possible values of x = 4 or 10

10 is good

4 is extraneous .... the left side of (1) can only be 0 or positive....but 4 makes the right side negative

[ Last answer ]

CPhill
Oct 19, 2018

#2**+1 **

After reviewing your explanation I see where I made my mistake it would be the last answer, thank you for explaining it to me! I appreciate your help.

jjennylove
Oct 19, 2018