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X in (-oo:+oo)
X = 450*(1/2)+0.09 // - 450*(1/2)+0.09
X-(450*(1/2))-0.09 = 0
X-225-0.09 = 0
X-225.09 = 0 // + 225.09
X = 225.09
X = 225.09
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