- (−b−a)3=−a3−3ab(a+b)−b3{{^{(}{-}{b}{ }{-}{ }{a}{)}}}{3}{ }{=}{ }{-}{a}^{{{3}}}{ }{-}{ }{3}{a}{b}{(}{a}{ }{+}{ }{b}{)}{ }{-}{ }{b}^{3}
- (c−d)3=c3−d3+3cd(d−c){{^{(}{c}{ }{-}{ }{d}{)}}}{3}{ }{=}{ }{c}^{{{3}}}{ }{-}{ }{d}^{3}{ }{+}{ }{3}{c}{d}{(}{d}{ }{-}{ }{c}{)}
- (y−2)3=y3−8−6y(y+2){{^{(}{y}{ }{-}{ }{2}{)}}}{3}{ }{=}{ }{y}^{{{3}}}{ }{-}{ }{8}{ }{-}{ }{6}{y}{(}{y}{ }{+}{ }{2}{)}
- (y−1)3=y3−1−3y(y−1){{^{(}{y}{ }{-}{ }{1}{)}}}{3}{ }{=}{ }{y}^{{{3}}}{ }{-}{ }{1}{-}{ }{3}{y}{(}{y}{ }{-}{ }{1}{)}