I am working on a class project on the derivation of the quadratic formula, and i understand the process of completing the square, up until the very last process of simplifying back to the quadratic forumla...
Can someone explain how
Last edited by nmbala; October 20th 2009 at 08:00 PM.
I am working on a class project on the derivation of the quadratic formula, and i understand the process of completing the square, up until the very last process of simplifying back to the quadratic forumla...
Can someone explain how -c/a + b^2/4a^2 = (b^2 - 4ac)/4a^2
it is just basic operation on fractions
LCM of a and is
or you can understand it as
multiply numerator &denominator of by 4a