Question

***HELP PLEASE***

Find the non-extraneous solutions of the square root of the quantity x plus 9 minus 5 equals quantity x plus 4.


x = −2
x = −9 and x = −2
x = 9
x = −9 and x = −8

Answer 1

\[\sqrt{x+9}-5=x+4 \] ?

Answer 2

#4, x=-9 and x=-8

Answer 3

Thank you!

Answer 4

With a problem like this one, put the radical expressions on one side the rest on the other side.
then square both sides to get rid of the radicals.

Answer 5

Thank you for the medal.

Answer 6

Can I ask you another question? @robtobey