Positive and negative rules for adding

Rule 1: Adding positive numbers to positive numbers—it's just normal addition.

Rule 2: Adding positive numbers to negative numbers—count forward the amount you're adding.

Rule 3: Adding negative numbers to positive numbers—count backwards, as if you were subtracting.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

yes   because as the functions are graphed they eventually will intersect unless otherwise

step-by-step explanation: