3x^2-5xy-2y^2+11x+6y-4 因式分解

因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6 5x^3y*(-3y)^2+(-6xy)^2*(-xy)+xy^3*(-4x^2) 化简：x-y/x+3y÷x^-y^2/x^2+6xy+9y^2-(xy/x+y) 1、(-7x^y)(2x^y-3xy^3+xy) 2、((x-y)^6)/((y-x)^3)/(x-y) 诺x+y=6,xy=4 求(5x-4y-3xy)-(8x-y+2xy) (x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y)答案应为-2x-x*x-3x， x^2-xy-6y^2+3xy+y+2 因式分解 （3x+2y）-（x-y）² x²-xy+3y-3x 2x²+xy-y²-4x+5y-6 3y/x*x-y*y+x/x*x-2xy+y*y+6y*y/x*x*x-x*x*y-xy*y+y*y*y等于多少? 化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy] 因式分解 求过程 x-xy+3y-3x 2x+xy-y-4x+5y-6 3x平方-5x平方y-{2x平方y+6xy平方-[2xy平方-3x平方y+(3x平方y-4xy平方】} 求x^3 - 6x^2y + 11xy^2 - 6y^3 思路x^3 - 6x^2y + 11xy^2 - 6y^3= x^3 - 3x^2y + 2xy^2 - 3x^2y + 9xy^2 - 6y^3= (x^2 - 3xy + 2y^2)(x - 3y)= (x^2 - 2xy - xy + 2y^2)(x - 3y)(x - y)(x - 2y)(x - 3y)求思路 4x*x+4xy-3y*y+2x+11y-6如何因式分解 图解(x+2y)(x+3y）=x平方+5xy+6y平方 因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y) 4xy-[(x²+5xy-y²)-(3xy-1/2y)]x=3,y=-6 √x(√x+2√y)=√y(6√x+5√y,求x-3√xy+2y/x+√xy-6y