(x+1/2)(x²+1/4)(1/2-x)

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(x+1/2)(x²+1/4)(1/2-x)(x+1/2)(x²+1/4)(1/2-x)(x+1/2)(x²+1/4)(1/2-x)解(x+1/2)(x²+1/

(x+1/2)(x²+1/4)(1/2-x)
(x+1/2)(x²+1/4)(1/2-x)

解
(x+1/2)(x²+1/4)(1/2-x)
=(1/2+x)(1/2-x)(1/4+x²)
=(1/4-x²)(1/4+x²)
=1/16-x^4