Solve:

(3x-1)(5x+4)-15x^2=17

2 answers

15x^2 + 17x - 4 = 0

x = (-17 ± √289) / 30

x = (-17 ± 17) / 30

x = -1 or x = 1
(3x-1)(5x+4)-15x^2=17
15 x^2 + 7 x - 4 = 17 + 15 x^2
7 x = 21
x = 3