3в^3 -3в^3+12в-8в^3-
------ ------ ------
-3в+5= -8в^3+9в+5
ху-6х+8х-ху-11=
--- ----
=2х-11
2а^2 +5а-4-2а^3 -
-------
-5а^2+3= -3а^2 -2а^3+5а+3
6а^2в-5ав^2+2ав^2 -
--------
-3а^2в=3а^2в-3ав^2
--------
17а+12в-14с-11а+10в+
+14с=6а+22в
Х^2 -Х -х^2 +2х-9=
---- ----
=Х-9
12а+11с-8-14а+5с=
---- ----
=16с-2а-8
12а^2 -7ав -3а^2 +ав
-в^2=
9а^2 - 6ав +в^2
7х+8 -2-6х +6+Х+х^2=
--- ---- ---
2х + х^2 + 12