Question

-4√x+9=20

Answer 1

-4sqrt(x)+9= 20?
or is it
-4sqrt(x+9) = 20?

Answer 2

please take the time to use the equation editor

Answer 3

Square root line ends after 9

Answer 4

Where is that?

Answer 5

ok, so
sqrt(x+9) = -5
x+ 9 = 25
x = 16

Answer 6

remember in this case, after you take square root of 25, your answer would only work if you plug in the negative root of -5, to make a positive 20 after multiplication.

Answer 7

Thanks

Answer 8

Can I ask u another question here?

Answer 9

you should give a medal, close the question, and then ask a new one!