+0  
 
0
274
2
avatar

y- y - 42

It should come out to (y+_)(y+_)

Thanks!

Guest Jun 5, 2017
 #1
avatar+89775 
+2

 

y^2 - 1y - 42  

 

We need two factors that multiply to -42   and sum to  - 1

 

It appears that   6 and -7 should do the trick.....so...

 

(x + 6 )  ( x - 7) 

 

 

cool cool cool

CPhill  Jun 5, 2017
 #2
avatar
+1

Thank you!

Guest Jun 5, 2017

19 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.