(9+3x+x² )(x-3)-x(x-4)(x+4)=9х-27+3х²-9х+х³-3х³-х³-4х²+4х²+16=3х²-3х³-11
3*(1/4)²-3*(1/4)³-11=3/16-3/64-11=12/64-3/64-11=-10 55/64
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(9+3x+x² )(x-3)-x(x-4)(x+4)=9х-27+3х²-9х+х³-3х³-х³-4х²+4х²+16=3х²-3х³-11
3*(1/4)²-3*(1/4)³-11=3/16-3/64-11=12/64-3/64-11=-10 55/64