Question

Разложите на множители:

а) 2x^3-2xy^2-6x^2+6y^2

Answer 1

2x^2(x-3)-2y^2(x-3)=(x-3)(2x^2-2y^2)

Answer 2

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