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(-.5x%5E3 %2B .375x %2B .125) * %5B((-2x%5E3 %2B 1.5x %2B .5)*.5) %2B ((2x%5E3 - 1.5x %2B .5)*(.5%2Bx))%5D %3D (x%5E3 - .75x %2B .25) * %5B((-2x%5E3 %2B 1.5x %2B .5)*(.5-x)) %2B ((2x%5E3 - 1.5x %2B .5)*.5)%5D
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