SOLUTION: Solve the quadratic equation {{{(x+9)^2-81=0}}} by taking the square root. x= x=

SOLUTION: Solve the quadratic equation {{{(x+9)^2-81=0}}} by taking the square root. x= x=

Algebra.Com

Question 1026528: Solve the quadratic equation by taking the square root.
x=
x=
Answer by EdenWolf(517) (Show Source): You can put this solution on YOUR website!

First, add 81 to both sides.

Now, take the square root of both sides.

and
Subtract 9 from both sides for both equations.
ANSWER: and
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