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karatechopper
 2 years ago
Best ResponseYou've already chosen the best response.0what to simplify?

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0\[\frac {x^{2}12x+20}{x10}\]

phi
 2 years ago
Best ResponseYou've already chosen the best response.0you have to factor the top.

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0So, it'd be, x  3x + 5?

phi
 2 years ago
Best ResponseYou've already chosen the best response.0list the factors of the 3rd number 20 1,20 2,10 4,5 do any add up to 12 if so, that is the pair to use. the sign of the 2nd number (12) tells you to make the factors negative I would use (x2)(x10)

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0Alright.. I didn't know about that part.

phi
 2 years ago
Best ResponseYou've already chosen the best response.0once you have it factored up top, we can cancel the (x10) from top and bottom

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0What if I don't know the factors with numbers?

phi
 2 years ago
Best ResponseYou've already chosen the best response.0I think that means you have to practice.... Here is a video, when you have time http://www.khanacademy.org/math/algebra/polynomials/v/factoringquadraticexpressions

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0but I'm Simplifying Algebraic Ratios

phi
 2 years ago
Best ResponseYou've already chosen the best response.0That means they think you know algebra, including factoring quadratics

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0Would the answer be x2?

phi
 2 years ago
Best ResponseYou've already chosen the best response.0yes. you can test the answer pick a simple number like x=0. If your answer is correct (x2) with x=0 is 02= 2 replace x=0 into the original problem: and you get 20/10= 2 It matches!

careless850
 2 years ago
Best ResponseYou've already chosen the best response.0I see. And I lied about the factoring thing, I can factor numbers that are even or divisible by 5

phi
 2 years ago
Best ResponseYou've already chosen the best response.0If the video helps, notice that Khan has LOTS of videos on pretty much any topic you might have a question on.
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