Factoring x^2+12x+36  TOPIC_SOLVED

Quadratic equations and inequalities, variation equations, function notation, systems of equations, etc.

Factoring x^2+12x+36

Postby MathGod on Wed May 14, 2014 1:21 pm

I'm trying to find all values of x that are NOT in the domain of g:

g(x) = x + 6 / x^2 + 12x + 36

I don't know how to factor the denominator. What are the rules on factoring something like this. I've scoured Purplemath for the answers but haven't had any luck. Thanks.
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Re: Factoring x^2+12x+36  TOPIC_SOLVED

Postby anonmeans on Wed May 14, 2014 4:24 pm

MathGod wrote:I'm trying to find all values of x that are NOT in the domain of g:

g(x) = x + 6 / x^2 + 12x + 36

What you posted means this:
I think you mean this: g(x) = (x + 6)/(x^2 + 12x + 36) which is
You can learn about typing out math here.

MathGod wrote:I don't know how to factor the denominator. What are the rules on factoring something like this. I've scoured Purplemath for the answers but haven't had any luck. Thanks.

You searched for "factoring quadratics" and didn't come up with anything? Maybe the search was broken when you tried. Right now, I get this: list

To start find factors of 36 that add up to 12.
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Re: Factoring x^2+12x+36

Postby MathGod on Thu May 22, 2014 3:04 pm

Thanks. You have solved my problem and gave me new enlightenment. :)
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