Hi,

x^2+6x-16=0

***Factoring

(x+8)(x-2)= 0, Roots: x = -8 & x = 2

***checking the Factoring Using the FOIL method

F	First terms  x^2

O	Outside terms  -2x

I	Inside terms    8x

L	Last terms     -16

   

Answer by unlockmath(1688)   (Show Source): You can put this solution on YOUR website!
 Hello, 

We can find the values of x by factoring this: x^2+6x-16=0

(x+8)(x-2)=0

Solve for x:

x=2

x=-8

Make sense?

RJ

www.math-unlock.com 

Answer by MathLover1(20849)   (Show Source): You can put this solution on YOUR website!
 

.......we can write  as 



...now we can group first two and second two terms together



.......now, we want that minus sign to be in front of parentheses



.....now, we are looking for common factors in both of the groups: in first group it is , and in second group it is ....



....now, we have common factor 



...these are simple factors of your equation, and solutions will be:





....->...



....->...





 

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