82.1k views
4 votes
HELP PLEASE!⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

HELP PLEASE!⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀-example-1

1 Answer

6 votes
He messed up in the beginning with the 4.

It's supposed to be
(3 - -4)
(3 + 4)

and not

(3-4)

That's where he messed up.




I find it interesting how he uses Xa Ya and Xb Yb. In my school we use X1 Y1 and X2 Y2.
User Jonathan Bates
by
7.8k points