Question

2
$2(x + {y}^{)3} - 6(x + y)$

Answer 1

2(x+y​)3^3−6(x+y) 
2*(x^3+y^3)+6xy(x+y)-6(x+y)

is the question rightly typed, if second term of expression is -6xy(x+y) then
ans shall be
2*(x^3+y^3)