Question

ЭТО ПОСЛЕДНИЕ !!!!!!!!!!!!!!!

Answer 1

$d^3-g^2d-gd^2+g^3=d(d^2-g^2)-g(d^2-g^2)=(d-g)(d^2-g^2)=$
$=(d-g)(d^2-g^2)=(d-g)(d-g)(d+g)=(d-g)^2(d+g)$