ria2389
ria2389 ria2389
  • 12-04-2019
  • Mathematics
contestada

Plz help me with this

Plz help me with this class=

Respuesta :

mathstudent55
mathstudent55 mathstudent55
  • 12-04-2019

Answer:

10x^3 - 34x^2 + 33x - 7

Step-by-step explanation:

Multiply each term of the trinomial by each term of the binomial. Then combine like terms.

(2x^2 - 4x + 1)(5x - 7) =

= 10x^3 - 14x^2 - 20x^2 + 28x + 5x - 7

= 10x^3 - 34x^2 + 33x - 7

Answer Link
tramserran
tramserran tramserran
  • 14-04-2019

Answer:  10x³ -34x² +33x - 7

Step-by-step explanation:

 (2x² - 4x + 1)(5x - 7)

= (5x - 7)(2x² - 4x + 1)

= 5x(2x² - 4x + 1)   -7(2x² - 4x + 1)

= 10x³ - 20x² + 5x    

 +         -14x² + 28x - 7

= 10x³ - 34x² + 33x - 7

Answer Link

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