Question

Find the solution of radical 2x+15= x

- only the 2x+15 is under the radical .

Answer 1

Do you mean \[\sqrt{2x + 15} = x\]

Answer 2

Square both sides, what you get ?

Answer 3

Yeah I meant that

Answer 4

So like hartnn said, square both sides first.

Answer 5

can you solve quadratic equations ?

Answer 6

yeah now I know what to do i just didnt know how to get rid of the radical. Thank you!

Answer 7

x=5
x=-3

Answer 8

good!
so tell us what 2 values of 'x' you get, so that we can verify it for you :)
and welcome ^_^

Answer 9

I gotx=-3 and x=5

Answer 10

those are correct! good work :)

Answer 11

Thank you (:

Answer 12

nice

Answer 13

Now, which one value is the answer and which one will you discard ?

Answer 14

x=5 keep and x=-3 discard

Answer 15

good!
you know your basics :) glad to know.

Answer 16

Thank you again ! Yeah I just didn't know where to begin(: