SOLUTION: -4 square root(x+9)=20 square root of (x+9)= -5 we got this by dividing -4 on both sides, now squaring on both sides x+9 = 25 so x+9-9=25-9 x=16.

Algebra ->  Radicals -> SOLUTION: -4 square root(x+9)=20 square root of (x+9)= -5 we got this by dividing -4 on both sides, now squaring on both sides x+9 = 25 so x+9-9=25-9 x=16.      Log On


   

Question 655226: -4 square root(x+9)=20
square root of (x+9)= -5
we got this by dividing -4 on both sides,
now squaring on both sides
x+9 = 25
so
x+9-9=25-9
x=16.
Answer by sravancv(7) About Me  (Show Source):
You can put this solution on YOUR website!
-4 square root(x+9)=20
square root of (x+9)= -5
we got this by dividing -4 on both sides,
now squaring on both sides
x+9 = 25
so
x+9-9=25-9
x=16.