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Multiplicando respostas e explicações de polinômios

Multiplicando respostas e explicações de polinômios


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Instruções: Multiplicar.

01de 05

(x + 3) (x - 3)

(x + 3)(x - 3) = x2 + -9

  1. Reescreva o sinal de menos.
    (x + 3)(x + -3)
  2. Fprimeiro. Outer. Eunner. euast.
    x     * x + x * -3 + 3 * x + 3 * -3
  3. Multiplicar.
    x2 + -3x + 3x + -9
  4. Simplificar.
    x    2 + 0 + -9
    x2 + -9
02de 05

(x - 6) (x + 4)

(x - 6)(x + 4) =  x2 + -2x + -24

  1. Reescreva o sinal de menos.
    (x + -6)(x + 4)
  2.  Fprimeiro. Outer. Eunner. euast.
    x * x + x * 4 + -6 * x + -6 * 4
  3. Multiplicar.
    x2 + 4x + -6x + -24
  4. Simplificar.
    x    2 + -2x + -24
03de 05

(x - 8) (x - 9)

(x - 8)(x - 9) = x2 + -17x + 72  

  1. Reescreva os sinais de menos.
    (x + -8)(x + -9)
  2. Fprimeiro. Outer. Eunner. euast.
    x * x + x * -9 + -8 * x + -8 * -9
  3. Multiplicar.
    x2 + -9x + -8x + 72
  4. Simplificar.
    x2 + -17x + 72
04de 05

(5j + 11) (j + 1)

(5j + 11)(j + 1)=  5j2 + 16j + 11  

  1. Fprimeiro. Outer. Eunner. euast.
    5j * j + 5j * 1+ 11 * j + 11 * 1
  2. Multiplicar.
    5j2 + 5j + 11j + 11
  3. Simplificar.
    5j2 + 16j + 11
05de 05

(5p - 7) (4p + 3)

(5p - 7)(4p + 3)= 20p2 + -13p + -21

  1. Reescreva o sinal de menos.
    (5p + -7)(4p + 3)
  2. Fprimeiro. Outer. Eunner. euast.
    5p * 4p + 5p * 3 + -7 * 4p + -7 * 3
  3. Multiplicar.
    20p2 + 15p + -28p + -21
  4. Simplificar.
    20p2 + -13p + -21


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