(6) Find all real solution(s) for the following equation by using the quadratic formula. (Note: some equations may not have any real solutions.)
(a) 3a(a-5) = 4a2 + 10a - 20 (b) 13x2 +17x + 21 = 4x2 + 5x + 17
HINT:
Quadratic Formula is :
