pa1xWalliDevan pa1xWalliDevan
  • 10-04-2017
  • Mathematics
contestada

Factor 20x2 + 50x + 20.
A) (2x + 4)(10x + 5)
B) (10x + 4)(2x + 5)
C) (4x + 5)(5x + 4)
D) (5x + 5)(4x + 4)

Respuesta :

Аноним Аноним
  • 14-04-2017
[tex]20x^2 + 50x + 20[/tex] 
 
    [tex]GCF=10 [/tex] 

[tex] 10(\dfrac{20x^2}{10} + \dfrac{50x}{10} + \dfrac{20}{10} [/tex] 

[tex]10(2x^2+5x+2)[/tex] 

[tex]10(2x^2+4x+x+2)[/tex] 

[tex]10(2x(x+2)+(x+2))[/tex] 

[tex]10(x+2)(2x+1)[/tex]
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