+0  
 
0
76
1
avatar+2509 

Help 4 

NotSoSmart  Feb 27, 2018
 #1
avatar+87301 
+1

x^3 - x^2 + x - 1  factors as

 

x^2 (x -1) + 1(x - 1)  =

 

(x - 1)(x^2 + 1)

 

 

x^2  - 1   factors as

 

(x + 1) ( x - 1)

 

Taking all the different factors we have

 

(x - 1)  (x + 1) (x^2 + 1)   ⇒  second answer

 

 

 

 

  7                     7

____    +       ______

a + 8              a^2  - 64

 

 

  7                       7

_____   +     __________

 a + 8           (a + 8) (a - 8)

 

 

    7(a - 8)                         7

__________     +         _________

(a + 8) (a - 8)              (a + 8) (a - 8)

 

 

[ 7a - 56  + 7 ]

____________

(a + 8) (a - 8)

 

 

[ 7a - 49 ]

___________

(a + 8) (a - 8)

 

 

cool cool cool

CPhill  Feb 27, 2018

17 Online Users

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.