因式分解:(x+2y)(3x2-4y2)-(x+2y)2(x-2y)=________.1.21a3b-35a2b3=_________．2.3x2yz+15xz2-9xy2z=__________．3.x2-2xy-35y2=(x-7y)( )．4.2x2-7x-15=(x-5)( )．5.20x2-43xy+14y2=(4x-7y)( )．6.18x2-19x+5=( )(2x-1）我要过程 答的好

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 06:24:52
因式分解:(x+2y)(3x2-4y2)-(x+2y)2(x-2y)=________.1.21a3b-35a2b3=_________．2.3x2yz+15xz2-9xy2z=__________．3.x2-2xy-35y2=(x-7y)( )．4.2x2-7x-15=(x-5)( )．5.20x2-43xy+14y2=(4x-7y)( )．6.18x2-19x+5=( )(2x-1）我要过程 答的好

因式分解:(x+2y)(3x2-4y2)-(x+2y)2(x-2y)=________.1.21a3b-35a2b3=_________．2.3x2yz+15xz2-9xy2z=__________．3.x2-2xy-35y2=(x-7y)( )．4.2x2-7x-15=(x-5)( )．5.20x2-43xy+14y2=(4x-7y)( )．6.18x2-19x+5=( )(2x-1）我要过程 答的好
因式分解:(x+2y)(3x2-4y2)-(x+2y)2(x-2y)=________.
1.21a3b-35a2b3=_________．
2.3x2yz+15xz2-9xy2z=__________．
3.x2-2xy-35y2=(x-7y)( )．
4.2x2-7x-15=(x-5)( )．
5.20x2-43xy+14y2=(4x-7y)( )．
6.18x2-19x+5=( )(2x-1）
我要过程 答的好加分!急用!

因式分解:(x+2y)(3x2-4y2)-(x+2y)2(x-2y)=________.1.21a3b-35a2b3=_________．2.3x2yz+15xz2-9xy2z=__________．3.x2-2xy-35y2=(x-7y)( )．4.2x2-7x-15=(x-5)( )．5.20x2-43xy+14y2=(4x-7y)( )．6.18x2-19x+5=( )(2x-1）我要过程 答的好
1.21a3b-35a2b3=7a^2b(3ab-5b^2)
2.3x2yz+15xz2-9xy2z=3xz(xy+5z-3y^2)
3.x2-2xy-35y2=(x-7y)(x+5y )．
4.2x2-7x-15=(x-5)( 2x+3 )．
5.20x2-34xy+14y2=(4x-7y)( 5x-2y )．
6.18x2-19x+5=(9x-5 )(2x-1）

(x2-4y2)-(x+2y)因式分解 2x2+xy-3y2+x+4y-1因式分解 因式分解：x2-y2+2x-4y-3救命啊 x2-2x+2y-y2因式分解 因式分解(x2-y2)-(x-y)2快 因式分解x2-4xy+4y2+x-2y-2 x2-4xy+4y2-x+2y-2因式分解 x2+2xy-3y2+3x+y+2 因式分解 因式分解x2+2+y2-3x-2xy+3y 因式分解2y2-xy-3x2-2y+3x 因式分解x2-4y2-3xy+y+x 2x2+xy-y2-4x+5y-6 因式分解 x2-4y2+x+2y因式分解过程 因式分解：3x2+5xy-2y2+x+9y-4 x2+x-(a2-a) 3x2+4xy-y2 x,y,a后面的2表示平方 因式分解9x2 - y2 -4y -4因式分解9x 2 - y 2 -4y -4 因式分解；x2[x-y]+y2[x-y]2是平方 x2+4xy+4y2-2x-4y-3 因式分解, 4X2+4xy-3y2+2x+11y-6因式分解