因式分解4x^2+y^2+4xy+6x+3y-284x^2+y^2+4xy+6x+3y-28(x+y)^2-4(x^2-y^2)-21(x-y)^2
来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 22:42:41
因式分解4x^2+y^2+4xy+6x+3y-284x^2+y^2+4xy+6x+3y-28(x+y)^2-4(x^2-y^2)-21(x-y)^2因式分解4x^2+y^2+4xy+6x+3y-284
因式分解4x^2+y^2+4xy+6x+3y-284x^2+y^2+4xy+6x+3y-28(x+y)^2-4(x^2-y^2)-21(x-y)^2
因式分解4x^2+y^2+4xy+6x+3y-28
4x^2+y^2+4xy+6x+3y-28
(x+y)^2-4(x^2-y^2)-21(x-y)^2
因式分解4x^2+y^2+4xy+6x+3y-284x^2+y^2+4xy+6x+3y-28(x+y)^2-4(x^2-y^2)-21(x-y)^2
4x^2+y^2+4xy+6x+3y-28
=(2x+y)^2+3(2x+y)-28
=(2x+y+7)(2x+y-4)
(x+y)^2-4(x^2-y^2)-21(x-y)^2
=(x+y)^2-4(x+y)(x-y)-21(x-y)^2
=[(x+y)-7(x-y)][(x+y)+3(x-y)]
=(x+y-7x+7y)(x+y+3x-3y)
=(-6x+8y)(4x-2y)
=4(-3x+4y)(2x-y)
因式分解 x-xy+3y-3x 2x+xy-y-4x+5y-6
4x^2y-6xy^2+2xy因式分解
因式分解:-4x^2y-6xy^2+2xy
因式分解:3x^2y+6xy-4x-8
因式分解 3x^2-6xy-4x+8y
x^2-xy-4+2y因式分解
因式分解4x^-xy-2y^
(x-y)^2+4xy怎样因式分解
3x^+4xy-2y^ 因式分解
(x-y)^2+4xy因式分解,
2x(x-y)+4xy(y-x) 因式分解2x(x-y)+4xy(y-x) 因式分解
因式分解:12xy^2(y-x)+xy^3(x-y)+4x^2y(x-y)
因式分解:x-4xy-2xy+8y等于?
xx+4xy+yy-2x-4y+6 因式分解
2x2+xy-y2-4x+5y-6 因式分解
4x*x+4xy-3y*y+2x+11y-6如何因式分解
因式分解 求过程 x-xy+3y-3x 2x+xy-y-4x+5y-6
因式分解4x-4x^2 y+2xy-2