Question

(2x-1)^2=18

Answer 1

do you know where to start?

Answer 2

no

Answer 3

how do you get rid of something squared?
square root?

Answer 4

yes. but you cant square root 18

Answer 5

just leave it as \[\sqrt{18}\]

Answer 6

remember its + and -
so you'll get 2 answers for x

Answer 7

which would be?

Answer 8

(2x-1)^2=18
2x-1=√18
solve this for x
2x-1=-√18
solve this for x

Answer 9

\[\sqrt{18} -1\] /2

Answer 10

and (-√18-1)/2