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ADICION Y SUSTRACCION DE POLINOMIOS
Contributed by: Mora Diaz
  • 1. (2x2 + 3x - 6) + ( - 10x2 - 8x + 2) =
A) - 8x2 - 5x - 4
B) 8x2 - 5x + 4
C) 8x2 +5x + 4
D) 8x2 + 5x - 4
  • 2. (-5x3 + 10x2 - x + 5) - (4x2 +8x -7)=
A) - 5x3 - 2x2 - 9x + 12
B) - 5x3 + 2x2 - 9x + 12
C) - 5x3 + 2x2 - 9x - 12
D) - 5x3 + 2x2 + 9x + 12
  • 3. ( -12x3 + 10x2y - 6xy2 - y3) + ( -10x2y - 8xy2) + (5xy2 - 9y3) =
A) - 12x3 - xy2 - 10y3
B) - 12x3 - 9xy3 - 10y3
C) - 12x3 - 9xy2 - 10y2
D) - 12x3 - 9xy2 - 10y3
  • 4. De x2 - 2x + 7 resrtar 10x2 - 2x + 7
A) - 9x2
B) 9x2 - 2x + 11
C) - x + 7
D) 10x2 - 4x + 7
  • 5. Restar - 10ab3 + 8a2b - 3ab2 - 7b3 de 12a2b - 5ab2 - 3b3=
A) 10ab3 + 4a2b - 2ab + 4b3
B) 10ab3 + 4a2b - 2ab2 + 4b3
C) 10ab3 + 4a2b - 2ab2 + 4b2
D) 10ab3 + 4a2b - 2ab2 - 4b3
  • 6. Sumar. - 4xy + 5zw; -10xy - 8zw =
A) - 14xy + 3zw
B) - 14xy - 3zw
C) 14xy - 3zw
D) - 14xy2 - 3zw
  • 7. Sumar x2 - 2x + 10 ; 4 - 5x - 12x2 =
A) -11x2 + 7x +14
B) -11x3 - 7x2+14
C) -11x2 - 7x +14
D) -11x2 - 7x -14
  • 8. ( ab + cd - 6 ) + ( - 8ab +5cd - 4 ) =
  • 9. Sumar - 7 + 2xy - 10xyz con -3 - 15xy +12xyz es.
  • 10. [( 3x2 - 4x - 6) + ( - 8x2 - 6x +2)] - ( 2x2 - 4x + 16) =
A) -7x2-6x+12
B) 7x2-6x+12
C) -7x2+6x+12
D) -7x2-6x-12
  • 11. (- 7mn + 4pq) + (- 5mn + 9rs) + ( - 2mn - 4pq - 12rs)=
  • 12. ( 5x2 - 6x - 8) - ( 15x2 - 8x + 4)
A) - 10x2 + 2x + 12
B) - 10x2 + 2x - 12
C) - 10x3 + 2x - 12
D) - 10x2 - 2x - 12
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