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x +b = c
 b is the centerpoint
 x is exactly c units away from b

x + b < c
 b is the centerpoint
 x is less than c units away from the centerpoint, b

with fractions r^{x} blank as x blank
r^{x} decreases as x increases


(a^{2}  b^{2} ) =
(a + b)(a  b)

(x + y)^{2} =
x^{2} + 2xy + y^{2}

(x  y)^{2} =
x^{2}  2xy + y^{2}

(x + y)(x  y)=
x^{2}  y^{2}

(n^{2}  1)
 = (n^{2}  1)
 = (n^{2}  1^{2} )
 = (n + 1)(n  1)

n(n^{2}  1)
 = n(n^{2} 1)
 = n(n^{2} 1^{2} )
 = n(n+1)(n1)
 = (n1)n(n+1)
 3 consecutive integers

Primes 1120
31, 37, 41, 43, 47, 53, 59, 61, 67, 71

First 10 primes
2, 3, 5, 7, 11, 13, 17, 19, 23, 29























































