Find the sum of all possible positive integer values of b such that the quadratic equation 2x^2 + 15x + b = 0 has rational roots.
+37165 Discriminant of Quadratic Formula
x=−b±√b2−4ac2a
b^2 - 4ac >=0
15^2 - 4(2)(b) >= 0
225 >= 8b
28.125 >= b sum = 28 + 27 + 26.......1 = 406 for positive integers
