Let x be a positive number such that 2x^2=4x+9. If x can be written in simplified form as \(\dfrac{a + \sqrt{b}}{c}\) such that a, b, and c are positive integers, what is a+b+c?
+36916 2x^2-4x-9 = 0
Quadratic formula show one value of x = [2 + sqrt (22) ] / 2 FInish from here
