Question 456145
(1/3x^2 - 2/3) (1/2x - 1/2)=

1/6 x^3 - 1/6 x^2 - 1/3x - 1/3  All but the sign of the last term
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{{{(1/6)x^3 - (1/6)x^2 - (1/3)x + 1/3}}}