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1) PRODUCTO DE DOS BINOMIOS DE LA FORMA (X + A)(X + B)

   A) (ax+1 – 6) (a x+1 – 5)

= a2x+2 – 5ax+1 - 6ax+1 + 30

= a2x+2 – 11ax+1 + 30




2) EL CUADRADO DE UN MULTINOMIO

   A) (x – 2y + z – 3r)2

= (x)2+(-2y)2+(z)2+(-3r)2 +2(x)(-2y)-2(x)(z)+2(x)(-3r)
+2(-2y)(z)+2(-2y)(-3r) +2(z)(-3r)

= x2 - 4y2 + z2 – 9r2 – 4xy – 2xz – 6xr – 4yz + 12yr – 6zr


3) FACTORAR O DESCOMPONER EN DOS FACTORES

   A) 24 a2xy2 – 36x2y4
   Factor común: 12xy2

   =12xy2(2a2-3xy2)

   B) (a + 3) (a + 1) -4(a +1)

   = (a + 3) (a + 1) = a + 3
         (a + 1)

   = - 4 (a +1) = -4
       a+1

   = a + 3 (a + 1) – 4 (a + 1) = (a + 1) (a + 3 - 4)

   = (a + 1)(a – 1)
C) a2b3 – n4 + a2b3x2 – n4x2 – 3a2b3x + 3n4x

        = (a2b3 - n4) (1-3x+x2)

4) FACTORAR UN TRINOMIO CUADRADO PERFECTO

A) 1 + 25x4 – x2
   25   36    3

        Ordenando:
        1 – x2 + 25x4
        25   3     36
                        2
    =        1 - 5x2
             5    6


5) DIFERENCIA DE CUADRADO

A) x2 - y2z4
  100    81

    =      x + y z2         x - y z2
                            10  9
           10  9
6) TRINOMIO CUADRADO POR ADICION Y SUSTRACION

A) 121 x4 – 133x2y4 + 36y8


    11x2                     6y4

        2(11x2)(6y4) = 132 x2y4

=        121 x4 – 133x2y4 + 36y8
                  + x2y4         - x2y4
        121 x4 - 132 x2y4 + 36y8 - x2y4

= (121 x4 - 132 x2y4 + 36y8) - x2y4
= (11 x2 – 6y4)2 - x2y4
= 11 x2 – 6y4 - xy2

= (11x2 + xy – 6y4) (11x2 - xy – 6y4)
7) TRINOMIO x2 + bx + x         y ax2 + bx + x

    A)   c2 + 24c + 135

     = (c +15 ) (c + 9)


    B)   30x2 + 13x – 10

         = 30(30x2)+ 30(13x) – 30(10)
         = 900x2 +30(13x) - 300

         = (30x + 25 ) (30x - 12)
                  5x6

         = ( 6x + 5) (5x – 2)

8) CUBO PERFECTO BINOMIAL

(1 + 3a2 – 3a – a3)

=    1 – 3a + 3a2– a3

    1                  a

         3(1) + (a)2 = 3a
         3(1)2 + a = 3a2

= (1 - a)3



9) SUMA O DIFERENCIA DE CUBOS PERFECTOS

27a3 – b3
= (3a – b) (9a2 + 3ab + b2)

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Moooniiikitha

  • 1. 1) PRODUCTO DE DOS BINOMIOS DE LA FORMA (X + A)(X + B) A) (ax+1 – 6) (a x+1 – 5) = a2x+2 – 5ax+1 - 6ax+1 + 30 = a2x+2 – 11ax+1 + 30 2) EL CUADRADO DE UN MULTINOMIO A) (x – 2y + z – 3r)2 = (x)2+(-2y)2+(z)2+(-3r)2 +2(x)(-2y)-2(x)(z)+2(x)(-3r) +2(-2y)(z)+2(-2y)(-3r) +2(z)(-3r) = x2 - 4y2 + z2 – 9r2 – 4xy – 2xz – 6xr – 4yz + 12yr – 6zr 3) FACTORAR O DESCOMPONER EN DOS FACTORES A) 24 a2xy2 – 36x2y4 Factor común: 12xy2 =12xy2(2a2-3xy2) B) (a + 3) (a + 1) -4(a +1) = (a + 3) (a + 1) = a + 3 (a + 1) = - 4 (a +1) = -4 a+1 = a + 3 (a + 1) – 4 (a + 1) = (a + 1) (a + 3 - 4) = (a + 1)(a – 1)
  • 2. C) a2b3 – n4 + a2b3x2 – n4x2 – 3a2b3x + 3n4x = (a2b3 - n4) (1-3x+x2) 4) FACTORAR UN TRINOMIO CUADRADO PERFECTO A) 1 + 25x4 – x2 25 36 3 Ordenando: 1 – x2 + 25x4 25 3 36 2 = 1 - 5x2 5 6 5) DIFERENCIA DE CUADRADO A) x2 - y2z4 100 81 = x + y z2 x - y z2 10 9 10 9 6) TRINOMIO CUADRADO POR ADICION Y SUSTRACION A) 121 x4 – 133x2y4 + 36y8 11x2 6y4 2(11x2)(6y4) = 132 x2y4 = 121 x4 – 133x2y4 + 36y8 + x2y4 - x2y4 121 x4 - 132 x2y4 + 36y8 - x2y4 = (121 x4 - 132 x2y4 + 36y8) - x2y4 = (11 x2 – 6y4)2 - x2y4 = 11 x2 – 6y4 - xy2 = (11x2 + xy – 6y4) (11x2 - xy – 6y4)
  • 3. 7) TRINOMIO x2 + bx + x y ax2 + bx + x A) c2 + 24c + 135 = (c +15 ) (c + 9) B) 30x2 + 13x – 10 = 30(30x2)+ 30(13x) – 30(10) = 900x2 +30(13x) - 300 = (30x + 25 ) (30x - 12) 5x6 = ( 6x + 5) (5x – 2) 8) CUBO PERFECTO BINOMIAL (1 + 3a2 – 3a – a3) = 1 – 3a + 3a2– a3 1 a 3(1) + (a)2 = 3a 3(1)2 + a = 3a2 = (1 - a)3 9) SUMA O DIFERENCIA DE CUBOS PERFECTOS 27a3 – b3 = (3a – b) (9a2 + 3ab + b2)