Question

2X^4Y^3-6X^3Y^4+3X^2Y^2等于什么啊?

Answer 1

=(x 3y)(x^4-5x^2y^2 4y^2) =(x 3y)(x^2-y^2)(x^2-4y^2显然原式不等于33 x^5 3x^4y-5x^3y^2-15x^2y^3 4xy