(6x+12) + 78 + (3x-12)

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2

How do i i solve this equation? -18 = x/3 + 3

Solve for the equation x. 2x + 22 = 4(x + 3)