c/ 3x-9xy-9y2+6y-1
=3x.(1-3y)-(1-6y+9y2)
=3x.(1-3y)-(1-3y)2
=(1-3y)[3x-(1-3y)]
=(1-3y)(3x-1+3y)
d/ x4+x2y2+y4
=x4+2x2y2+y4-x2y2
=(x2+y2)2-x2y2
=(x2-xy+y2)(x2+xy+y2)
phan tich da thuc thanh nhan tu
x^2 + 4y^2 +3x - 6y
giai dum mik vs
phan tich da thuc thanh nhan tu
a/ 3x2+6xy+3y2-3z2
b/ 4y2-5y-6
c/ 3x-9xy-9y2+6y-1
d/ x4+x2y2+y4
phan tich da thuc thanh nhan tu C=x^4+2x^3.y-2X^2.y^2+11.x.y^3-6y^4
phan tich da thuc thanh nhan tu x2-3x+18
phan tich da thuc thanh nhan tu
3x^3 +12x^2 +12x
phan tich da thuc x^3+3x-4 thanh nhan tu
Phan tich da thuc thanh nhan tu (x²+3x)^2+7x²+21x+10
phan tich da thuc thanh nhan tu :
2x(x-1)-3x+3
phan tich da thuc thanh nhan tu
x3-3x2-3x+1
