Question

If p(u)=7u2–6u–40, use synthetic division to find p(2).

Answer 1

I just started to learn this and I don't have a good grasp on it yet if you do it can you explain it too

Answer 2

p(u) = 7 u^2 – 6 u – 40
if u = 2
p = 7 * 4 - 6 * 2 - 40
= 28 -12 - 40
= -24
I have no idea what this has to do with division, synthetic or otherwise.

Answer 3

google synthetic division and you will find many examples and videos.
There are also synthetic division calculators which will show all the steps.
You can check your answer by using the remainder theorem.
The remainder when dividing by u-2 is p(2) = -24