Question

MEDALLLLL! solve: sqrt(x-4) +4=x

Answer 1

sqrt(x-4)+4=x
sqrt(x-4) =x-4
squaring bouth sides:
x-4=(x-4)^2
now think. Which number is equal to itself squared?

Answer 2

What do you get when you square a square root?

For example, what is \((\sqrt{x})^2\) = ?

Answer 3

is the answer 3,5?

Answer 4

No.

Answer 5

answer choices are:
a)-3,4
B)3,5
C)4,5
D)4,6

Answer 6

you make no sense dude.

Answer 7

You can either solve the equation and find the answers, or you can substitute each pair of numbers from each choice and see for which choice both numbers work.

Answer 8

so whats the answer

Answer 9

Solve the equation or try the choices.

Answer 10

x-4=(x-4)^2
You have a quadratic equation above from @myko's work.
Solve the following for x:\[x^2-9 x+20=0 \]

Answer 11

Thank you for making sense.

Answer 12

so its 4,5?

Answer 13

Yes. Congratulations!