Sšítání/odčítání
2a+1+3a-2=
5a-1
4(x2+2)=
4x 2 +8
(8x+4):2=
4x+2
(25-a2):(5-a)=
(5+a)
4x+2y=
2(2x+y)
(4a2-2a+5)+2a2-(3a2+5a-1)=
3a2-7a+6
5(x+2)2=
5x2+20x+20
(20x2y2):(4xy)=
5xy
(m2-2m-15):(m-5)=
m+3
-8x4y3-12x2y4-16x5y2=
-4x2y2(2x2y+3y2+4x3)
2a-[2a+b-(3a-2b)-(a-b)]=
4a-4b
(x2+3x+2)(x+1)=
x3+4x2+5x+2
(4c2d-12c4d3):(-4c2d)=
-1+3c2d2
(xy-7x+2y-14):(x+2)=
y-7
a6-4a3b2+4b4=
(a3-2b2)(a3-2b2)
4xy-(x2+xy)-[(3x-2x2)-(x+y2-5xy)]=
x2+y2-2xy-2x
(3y2-y+3)(y2-3y+1)=
3y4-10y3+9y2-10y+3
(15a 3 x 5 -10a 4 x 4 -25a 5 x 3 ):(5a 3 x 3 )=
3x2-2ax-5a 2
(15m4-m3-m2+41m-70):(3m2-2m+7)=
5m2+3m-10
15ab-6bc-5ad+2cd=
(5a-2c)(3b-d)
a2-b2-{3ab-2b2-[a2+2ab-(b2-ab)]}=
2a2
(x2+x+1)(x2-x+1)(x2-1)=
x6-1
(18x8y7-27x6y4+81x5y5):(9x4y3)=
2x4y4-3x2y+9xy2
2x7+3x6+14x5+10x4-7x3-32x2+15x-5):(x4+7x2-3x+1)=
2x3+3x2-5
am+am+1=
am(1+a)