SOLUTION: Solve the equation by using the square root property. Express the radical in simplest form: (2x+9)^2-4=0

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Solve the equation by using the square root property. Express the radical in simplest form: (2x+9)^2-4=0      Log On


   

Question 800929: Solve the equation by using the square root property. Express the radical in simplest form: (2x+9)^2-4=0
Answer by josgarithmetic(39614) About Me  (Show Source):
You can put this solution on YOUR website!
What is the "square root property"?

%282x%2B9%29%5E2-4=0
%282x%2B9%29%5E2=4
2x%2B9=-2 or 2x%2B9=2
2x=-11 or 2x=-7
highlight%28x=-11%2F2%29 or highlight%28x=-7%2F2%29