(Find all real roots of the following equations:
4) (2x - 3)2 = (3x + 1)2;
(5) 3t 4 - 8t 2 + 5 = 0;
(6) 3x3 - 5x2 - 3x + 5 = 0.
marks) Factorize the following expressions:
(1)