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y- y - 42

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

Thanks!

Guest Jun 5, 2017
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 #1
avatar+77122 
+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
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+1

Thank you!

Guest Jun 5, 2017

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