Question

√8x+1=5
x=2??

Answer 1

\[\sqrt{8x + 1} = 5\]

Is this it?

Answer 2

yes

Answer 3

8x+1=5
-1 -1
8x=4
x=1/2

Answer 4

This is incorrect.

Answer 5

square both the sides
you get
8x + 1 = 25
8x = 24
x = 3

Answer 6

Here square both sides.

Answer 7

what did i do then?

Answer 8

8x+1=5
8x=4
x=2

Answer 9

You need to square the 5 as well. Anything you do to one side of an equation must be done to the other.

Answer 10

@TiaW i guess you had put a square root sign there

Answer 11

√2?

Answer 12

No, no.