x^2+3xy+2y^2+5x+5y+6kkkkkkkkk

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) 诺x+y=6,xy=4 求(5x-4y-3xy)-(8x-y+2xy) 化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy] 因式分解 （3x+2y）-（x-y）² x²-xy+3y-3x 2x²+xy-y²-4x+5y-6 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】} 图解(x+2y)(x+3y）=x平方+5xy+6y平方 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 ∫x(∫x+2∫y)=∫y(6∫x+5∫y),求：（x+∫xy-y)/(2x+∫xy+3y) 2X^+XY-Y^-4X+5Y-6 2x^+xy-y^-4x+5y-6=? -x^5y-xy+2x^3y 3(x-y)²-7(x-y)+8(x-y)²+6(x-y)求详细过程（2） 5xy-4x²y-8xy²+3xy-xy²+4x²y x²-y²+5x+3y+4（x+y-2xy)(x+y-z)+(xy-1）² 2x^2-3xy+6y^2-x^2+4xy-5y^2 x^3y(-4y)^2+(-7xy)^2*(-xy)-5xy^3*(-3x)^2