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002_Polinomios II (2º ESO)
Contributed by: @tublogdeaula
(Original author: Gil)

(Coloca cada etiqueta en su lugar)

Quita paréntesis y simplifica:

-(3x+4)-(-8-3x)=

x+2-(x+6)=

3(x-2)-2(1-x)=

Quita paréntesis
x+2-x-6
?
3x-6-2+2x
?
-3x-4+8+3x
?
Agrupa
=
-4
?
=
5x-8
?
=
4
?
Multiplica y simplifica:
(3x+4)•(3-2x)=
(x+1)•(x-2)=
(2x+3)•(4-3x)=
(x-1)•(x+2)=
x2-x-2
?
x2+x-2
?
-6x2+x+12
?
-6x2-x+12
?
Quita paréntesis y simplifica:
x•(2x-3)+5•(x2+x)=
3x•(x-1)-x•(2-4x)=
4•(x2-2x+1)-3•(2-2x-x2)=
7x2-5x
?
7x2+2x
?
7x2-2x-2
?
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