sherrieasbury19
sherrieasbury19 sherrieasbury19
  • 02-06-2019
  • Mathematics
contestada

HELP PLEASE

factor each polynomial completely using the x-box method. must show work

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HELP PLEASE factor each polynomial completely using the xbox method must show work class=

Respuesta :

Tucon
Tucon Tucon
  • 03-06-2019

 

2)  

x^2 - 14x - 32  = x^2 - 16x + 2x - 32  = x(x-16) + 2(x-16) = (x - 16)(x + 2)

⇒   x^2 - 14x - 32  = (x - 16)(x + 2)

---------

3)  

2n^2 - 7n - 15  =

= 2n^2 - 10n + 3n - 15 =

=  2n(n - 5) + 3(n - 5) =

= (n - 5)(2n + 3)

⇒ 2n^2 - 7n - 15  = (n - 5)(2n + 3)

---------

4)  

x^2 - 25 = (x - 5)(x + 5)

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