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posted by Peter Monday, April 30, 2012 at 10:32pm.

(x-16)^2=64

multiply x - 16 by itself (x-16)(x-16) x^2 -32x + 256 = 64 subtract 64 from both side x^2 - 32x +192=0 factor or use quadratic formula

its factor is (x -8 and x-24) set equal to zero and solve for x

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