SOLUTION: factor the trinominial completly x^2+2x-8

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Question 649633: factor the trinominial completly
x^2+2x-8
Found 2 solutions by ewatrrr, sheldonbbtrocks:
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

factor the trinominial completly



x^2+2x-8

(x+4)(x-2)

Check factoring Using FOIL

F	First terms

O	Outside terms

I	Inside terms

L	Last terms

Answer by sheldonbbtrocks(115) About Me  (Show Source):
You can put this solution on YOUR website!
In factoring, we need to find two numbers that add up to 2, but multiply to get -8
These numbers are -2 and 4
(x-2)(x+4)
Check:
-2*4=-8
-2+4=2
The Final Answer: [(x-2)(x+4)]