How do you solve \sqrt { x - 4} + 8= 9√x−4+8=9?
1 Answer
Explanation:
Subtract
Square both sides to get rid of the radical.
x-4 = 1x−4=1
Add
x= 5x=5
To check, if you plug
sqrt (5-4) +8 = 9√5−4+8=9
9 = 9 ->9=9→ Yes!
Hope that helped!
Subtract
Square both sides to get rid of the radical.
x-4 = 1x−4=1
Add
x= 5x=5
To check, if you plug
sqrt (5-4) +8 = 9√5−4+8=9
9 = 9 ->9=9→ Yes!
Hope that helped!