因式分解x^3+9xy^2-12x^2y
问题描述:
因式分解x^3+9xy^2-12x^2y
答
x^3+9xy^2-12x^2y =x(x^2+9y^2-12xy) =x[(x-3y)^2-3xy]
因式分解x^3+9xy^2-12x^2y
x^3+9xy^2-12x^2y =x(x^2+9y^2-12xy) =x[(x-3y)^2-3xy]