SOLUTION: Solve x^2 - 80 = 0 Thank You!

Question 48134: Solve

x^2 - 80 = 0
Thank You!

Found 2 solutions by stanbon, Earlsdon:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
x^2 - 80 = 0
(x-4sqrt5)(x+4sqrt5)=0
x=4sqrt5 or a=-4sqrt5
Cheers,
Stan H.
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Solve:
First add 80 to both sides of the equation.
Now take the square root of both sides.
or Simplify.
=
So:
or
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