Use the discrimination and select whether the roots of 5x^2-4x+3=0 are real or non-real

If a || b and b | y, then ? a) x || y. b) x | a. c) a | y. d) a || y.

What is x3+3x2−16x−48 divided by x−1?

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible