1.(x+4)(x-7)+10 2.1-6xy^3+9x^2y^6 3.(9x^2-4y^2)-(3x+2y) 4.(m
7个回答
1.(x-6)(x+3)
2. (1-3*x*y^3)^2
3.(3x-2y)(3x+2y)^2
4.(m^2+m+3)(m+3)(m+2)
相关问题
1:7x+2y-z=7 2:6x-y+z=7 3:4x+3y+z=9 1:9x+4y+z+10 2:-9X+2y+3z=
(2/3x^4y^7-1/9x^2y^6)÷(-1/3xy^3)^2
(7x-2y)(3x-2y-1)-(4x+3y)(9x+6y)
4xy+1-4x^2-y^2= x^6-y^6-2x^3+1= x^4+64= x^3-4xy^2-2x^2y+8y^3
1/(6X-4Y)-1/(6X+4Y)+3X/(4Y^2-9X^2)=
(9x3y4-6x4y3+3x2y3)÷______=-3x2y2+2x3y-xy.
(2y-3x)(4y^2+6xy+9x^2)
(2x-3y)(4x^2+6xy+9y^2)=?
x^4-2x^3-3x^2=()() x^2y^2-10xy+9 (x+y)^2-10(x+y)+9