(x)³+3(x)²(7)+3(x)(7)²+(7)³
(x)³+3(x)²(5)+3(x)(5)²+(5)³
(x)²+(x)(3)+(x)(3)²+(3)³
(b)³-3(b)²(2)-3(b)(2)²+(2)³
(x)³+(x)²(8)+3(x)(8)²-(8)³
(a)³-3(a)²(3)+3(a)(3)²-(3)³
(2x)³+3(2x)²(4)+3(2x)(4)²+(4)³
(3x)³-3(3x)²(2y)+3(3x)(2y)²-(2y)³
(a)³-3(a)(4)²+3(a)²(4)-(4)³
