Multiplicación de binomios
x2+8x+15
-20+16=
-4
x2-4
(x+7)2
x2+14x+49
x2+5x+6
-2(-8)=
16
x2-36
(a+3)2
a2+6a+9
(x+3)(x+9)
x2+12x+27
-5-12+56=
39
x2-81
9x2+30x+25
(2x+3)(x+4)
2x2+11x+12
12+18-100=
-70
x2-144
(a+b)2
a2+2ab+b2
6x2+21x+18
-(-10)
10
(x+14)(x-14)
x2-196
(5a+1)2
25a2+10a+1