(3x – 1)(x + 5) = 0
3x - 1 =0 => x = 1/3
or
x + 5 = 0 =>x = -5
(2x + 3)(x + 1) = 0
2x + 3 = 0 => x = -1,5
or
x + 1 = 0 => x = -1
(1 + 2x)(3x – 2) = 0
1 + 2x = 0 => x = -0,5
or
3x - 2 = 0 => x = 2/3
(5x – 3)(2 + 3x) = 0
5x - 3 = 0 => x = 0,6
or
2 + 3x = 0 => x = -2/3