Пож плиз (-4a^5 y^5)^3=
(- 4 a⁵y⁵)³ = (- 4)³ * (a⁵)³ * (y⁵)³ = - 64a¹⁵y¹⁵
(-4а⁵у⁵)³=-4³а¹⁵у¹⁵=-64а¹⁵у¹⁵