Factor común
20x2 + 15x-30x3
5x (4x + 3-6x2)
-25+9x2
(3x-5)(3x+5)
2xy+3y-4x-6
(2x+3)(y-2)
4x2-12x+9
(2x-3)2
8a4bx3-4a2b2x5
4a3 bx3 (2a - bx2 )
81x4-16
(3x-2)(3x+2)(9x2+4)
x2y + y-xy2-x
(xy-1)(x-y)
9x2+30x+25
(3x+5)2
5 (a2+1)x - (a2+1)y
(a2 +1)(5x-y)
(2a-b)2-(a+4b)2
3(a-b)(a-5b)
2x3-3y2+2xy-3x2y
(x2+y)(2x-3y)
36a2+8ab+49b2
(6a+7b)2
a2 b + 2a3 bx-3a4 b2 x2
a2 b (1 + 2ax-3a2 bx2 )
a2-4b2+4a+4
(a+2+2b)(a+2-2b)
X2(y-1)-y+1
(y-1)(x-1)(x+1)
4a2-28ab+49b2
(2a-7b)2
12m3p4x5-18m2p2x4-30m7k2x
6m2x3(2mp4x2-3p2x-5m5k2)
4a2-c2+4ab+b2
(2a+b+c)(2a+b-c)
(x-b)(x-b-2)
16m2+40mx+25x2