How do I factorise this?
9x²-1

Can someone me do math because i am having a breakdown rn because i don’t get it

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?

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1