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July 23, 2014

July 23, 2014

Posted by **prince** on Sunday, April 28, 2013 at 7:57am.

- mathematics -
**Damon**, Sunday, April 28, 2013 at 8:13amm^2 - 8 m + k

(m-x)(m-x) = m^2 -2 x m + x^2

so

2 x = -8

x = -4

x^2 = 16 = k

so

m^2 - 8 m + 16

in general to complete the square

1 x^2 + b x + c

if that is to be a perfect square

c = (b/2)^2

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