Question

how do I slove this question?

Answer 1

\[\sqrt{x+7}=x+5\]

Answer 2

@satellite73

Answer 3

Can you please help me

Answer 4

do you know how to undo a sqrt?

Answer 5

No

Answer 6

what would you determine the value of:\[\sqrt3*\sqrt3\]

Answer 7

3

Answer 8

good, then lets see what we did:\[\sqrt3*\sqrt3=(\sqrt3)^2=3\]

Answer 9

the qustion also said check for extraneous solution

Answer 10

if you want to undo a sqrt, you have to square it; square both sides

Answer 11

(s)