Ineed on my homework. it is due tomorrow

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

[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

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?