Вынесите общий множитель за скобки x^2+x^6 5z^4+15z^8 6y^4-9y^2 x^2-2xy ab+a^2 y^3-4y^2 ab^2-a^2b x^2y^2-2xy

x^2 + x^6 = x^2 * 1 + x^2 * x^4 = x^2 (1 + x^4);

5z^4 + 15z^8 = 5 * 1 * z^4 + 5 * 3 * z^4 * z^4 = 5x^4 (1 + 3z^4);

6y^4 - 9y^2 = 3 * 2 * y^2 * y^2 - 3 * 3 * y^2 = 3y^2 (2y^2 - 3);

x^2 - 2xy = x * x - 2 * x * y = x (x - 2y);

ab + a^2 = a * b + a * a = a (b + a);

y^3 - 4y^2 = y^2 * y - 4 * y^2 = y^2 (y - 4);

ab^2 - a^2b = a * b * b - a * a * b = ab (b - a);

x^2y^2 - 2xy = x * x * y * y - 2 * x * y = xy (xy - 2).