I'm having some difficulty understanding the process that they use there. Can some one please explain why they take the x0 away? and how did they make -(x02-N)/2x0 positive?
BlaXpydo Wrote:
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> I'm having some difficulty understanding the
> process that they use there. Can some one please
> explain why they take the x0 away?
Simple algebra. They multiply the x0 by 1 = 2x0 / 2x0, then simplify.