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We know that (x + m) squared = n
where n is greater or equal to 0
has the following solutions:
x = -m +/- sqrt n
So multiply (x + m) squared to give
x sqrd +2mx + m sqrd = n
or
x sqrd + 2mx + (m sqrd - n) = 0
a(x sqrd) + bx + c = 0 can be written as
x sqrd = (b/a)x + (c/a)x = 0
Therefore
2m = b/a and m sqrd - n = c/a
Therefore
m = b/(2a) and n = m sqrd - c/a
Therefore
n = (b/(2a)) sqrd - c/a
n = (b sqrd)/(4(a sqrd)) - c/a
n = ((b sqrd) - (4ac))/(4(a sqrd))
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Does it look right to you?
he he
English is better! :D
I mean words can provoke such a wide range of emotion... what can Maths do? Confuse, Annoy and Irritate!
My Maths is good enough, my English is better, my Science is fine...
I don't really care for Maths and Science anymore... if they made you who you are inside, then I might, but they have nothing to do with your attitude towards life, how you are with people.
I'd rather be a loving, caring homeless busker than I would a poncy, arrogant, mathmatician/important person.
Game
> On the contrary I do appreciate the investigative formula rearranging that you
> have performed on my behalf Sonic, but I've already had my paper back marked.
> (Distinction, of course!)
how on earth did u get a distinction after getting the wrong formula! Afetr all, What's "n"!!!!!!!
Sonic