Question 241694
[45 / (b-2)] + [45 / (b+2)] = 6


multiplying by (b-2)(b+2) ___ 45b + 90 + 45b - 90 = 6b^2 - 24


0 = 6b^2 - 90b - 24


dividing by 6 ___ 0 = b^2 - 15b - 4


use quadratic formula to find b