panda557 panda557

03-06-2016
Mathematics

contestada

What is the quadratic formula

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helpmetnx helpmetnx

03-06-2016

I can give you an example:
4x^2+2xy-3y^2

it is in the form of :
x^2+2ax+a^2
also : (x+a)^2 = x^2+2ax+a^2

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