SOLUTION: I am told to solve the equation by using the square root property. Express any complex numbers using the i notation. (2x +5)^2 = 49 Mathway.com gave me the answer of: x = 1,

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: I am told to solve the equation by using the square root property. Express any complex numbers using the i notation. (2x +5)^2 = 49 Mathway.com gave me the answer of: x = 1,       Log On


   

Question 810137: I am told to solve the equation by using the square root property. Express any complex numbers using the i notation.
(2x +5)^2 = 49
Mathway.com gave me the answer of: x = 1, -6
I really do not understand and I have to show my work! Thank you for the help!
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
2x+5=7
2x=2
x=1
2x+5=-7
2x=-12
x=-6