2x
2x^2 +7x+6-4z
2x+5y-3x+2y+5
2x+3
2x-5y
-10
2x^2 +4x+ 6 - x^2 -2
2x^2 +7x+6
x^2 +bx+c
-x+4
2+2x+5y+3z-10x^2
x^2 +6x+9
5xyz
-3a^2b^3c
x^2 -y^2
x+y+c
Crear
