egynemű kif. összevonása
6x-(2x+3y)=
4x+3y
5a10.a2=
5a12
2a(a-4b)=
2a2-8ab
(a+1)(a+2)=
a2+3a+2
2.10-9.4.102
8.10-7
(11c+15d)-(5c-6d)=
6c+21d
(-6p2).(-2p3)=
12p6
-2x(x-1)=
-2x2+2x
(5c-4d)(3d+2c)=
10c2+7cd-12d2
50.106.4.10-10
2.10-2
(=200.10-4)
(6a-4c)-5(2a-4b)+3(3b-5a)=
-19a+29b-4c
-c6.12c4.(-1,5c3)=
18c13
-3b(7b-2a+1)=
-21b2+6ab-3b
(3-e2)(e2+7)=
-e4-4e2+21
(2-2.5)-4 . (5-2.23)=
52.2-1=
=52/2
(3a2-3ab-2b2)-(-a2+b2-2ab)+(4a2-ab+5b2)=
8a2-2ab+2b2
(3/4)xn-1.(-4x2n+1)=
-3x3n
(2/3)pq(-9p2+6pq-12q2)=
-6p3q+4p2q2-8pq3
(c2+c+1)(c2+c-1)=
c4+2c3+c2-1
(x-2)-4.[(x3)-3]-2.(x2)-8=
x10
(=x8x18x-16)
(4a3-2a2+5a-1)+(3a2-2a3+-11a-4)-(a3-6a2+5a-3)=
a3+7a2-9a-2
(-4anbk)(-8an+1b2k)=
32a2n+1b3k
2bn(3bn-1-5bn+7b2)=
-10b2n+6b2n-1+14bn+2
(2x2-5xy+3y2-2)(3x2-2xy)=
6x4-19x3y+19x2y2-6xy3-6x2+4xy
(a3b-2c1)-2 . (a-2b2c1)-3 :(a-3b3)=
a-3c-5b-5