|  Re: GCSE revision -
05-08-2005
the dierence of two sqaures:
x2-y2= (x-y) (x+y)
REMEMBER THIS RESULT!
e.g:
y2-16
y2-16 = (y-4)(y+4)
you see how i got that?
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The freed slave shall walk on the blood of his masters
"Coffee is the only thing I like integrated" - El-Hajj Malik el-Shabazz (Malcolm X)
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