SOLUTION: I need to factor x2-6x-16=0. What I have is (x-4),(x-4) or (x-2), (x-8) as my answers. I am having a hard time looking at the example in my book vs. what my teacher gave us for our

Question 89904: I need to factor x2-6x-16=0. What I have is (x-4),(x-4) or (x-2), (x-8) as my answers. I am having a hard time looking at the example in my book vs. what my teacher gave us for our assignment.
Found 2 solutions by stanbon, albert:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
factor x^2-6x-16=0
(x-8)(x+2)=0
x=8 or x=-2
==============
Comment: You can always check your factoring results with FOIL:
(x-8)(x+2)
F: x^2
O: 2x
I: -8x
L:-16
Combine to get x^2-6x-16
--------------
Cheers,
Stan H.
Answer by albert(7) (Show Source): You can put this solution on YOUR website!

Plus = P
Multiplication = M

Every quadract equation is = x^2-Px+M=0

and

, and

--> and -->

is

What numbers have the and ?
Answer: and

The factor of is

**See this lesson video:

Link Video Polynomials-and-rational-expressions
Cheers.

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