16x^2+24x+9、-x^2+4xy-4y^2、23ax^2+6axy+3ay^2分解因式

因式分解30题(要过程)am+an+bm+bn x^2+5y-xy-5x x2+xy+2xz+x (a+b)x-(b+a)y -12x(x-y)-(y-x)x^2 2x^2+4x+2 x(x+z)-y(y+z) 2(x^2-3ab)+x(4a-3b) 4x^2+12xy+9y^2-25 x^4-16 16x^4-1 x^2+9x+8 x^2-10xy+24y^2 2x^2+15xy-8y^2 3x^2-6xy+3y^2 24x^2+22x-21 -x^2+4xy- 已知2x-3根号xy-2y=0(x>0),求x^2+4xy-16y^2/x^2+xy-9y^2 (x-2xy)*(-xy+2y*y)-(3x*x-2xy)(x-9xy+6y*y)答案应为-2x-x*x-3x， 4x的平方+3xy-x的平方-3xy+9,其中x=-2 -3(2x^2-xy)+4(x^2+xy-6) （-3x^y+2xy)-( )=4x^+xy 4(x²+xy-6)-3(2x²-xy) -3(2x²-xy)+4(x²+xy-6) 因式分解-x^3+2x^2y-xy^2和16(x-y)^2-9(x+y)^2和(x+2)（x+4）+x^2-4 xy^2-4x 因式分解 9x^2-12xy+4y^2+24x-16y+15 (1)32x^3-2x (2)-14xy-x^2-49y^2(3)x^3-xy^2 (4)x^3-6x^2+9x 化简:-x(2)-(2xy) *9x(2)-9xy(3)+12x(4)y(2)/(3xy)谢谢! 化简：3x^2-[5xy-(x^y-3xy)+4x^2y-8xy] 9-x^2-y^2+4xy 9-x^2-y^2+4xy, x^+2xy+y^+4=16 x^-2xy+y^=16 求(3xy+6y^)+|x^-(2xy+2y^-3x^)|的值 因式分解 1,x^4-7x^2-24x-15 2,-2x^+5xy+2y^2 3,x^3+2xy-x-xy^2 4,x^-2x-4 5,4x^+8x-16 ,-x方-y方+2xy+1