Question

Сократите дробь
27x^3 + y^3/9x^2 - 3xy + y^2

Answer 1

$frac{ 27x^{3} + y^{3} }{ 9x^{2} -3xy+ y^{2} } = frac{(3x+y)(9 x^{2} -3xy+ y^{2} )}{9x^{2} -3xy+ y^{2} } =3x+y$