-180 + a^2 + 8a
15a +a^2 + 56
a+ab+ax+bx
49x^(2 ) + 16 - 56x
20ax-5bx-2by+8ay
(7x - 4)2
(a+b)(a+x)
(x+ ) (a+ )
(4a-b)(5x+2y)
(a + 18) (a-10)
17x + 8
Crear
