Translate to an expression: 'the product of aaa and (b−c)(b-c)(b−c), added to ddd'.
a(b−c)+da(b-c)+da(b−c)+d
ab−c+dab-c+dab−c+d
a(b−c+d)a(b-c+d)a(b−c+d)
a⋅b−c⋅da \cdot b - c \cdot da⋅b−c⋅d