That is the x spot or the non existing spot it is there just to make sure you have the numbers in order right and so the sums for the multiplication equation do not collide
Answer:

or

Step-by-step explanation:
The difference of two trinomials
and
is
This means that

or

If one of the trinomials is
then

or

1. If
then

2. If
then

You have to add it and put it on the number line
Step-by-step explanation:
11/2 slices of cake. hope it will hepl
Is z an angle? if so, i'll use the ration
[email protected]=perpendicular/base
tanZ=15/20=3/4 answer