(x+y+z)^3 - (x+y-z)^3 - (y+z-x)^3 - (z+x-y)^3
Phan tich da thuc thanh nhan tu
phan tich da thuc thanh nhan tu (x-y).z^3 +(y-z).x^3 +(z-y).y^3
phan tich thanh nhan tu D=(x-y)^3+(y-z)^3+(z-x)^3
phan tich thanh nhan tu
(X+Y+Z)^3-X^3-Y^3-Z^3
lam giup minh vơi ai nhanh minh tich cho
phan tich thanh nhan tu
(x+y+z)3-x3-y3-z3
phan tich thanh nhan tu
a, (x-y)^3 + (y-z)^3 -(y+x)^3
b, (a+b+c)^3 -a^3-b^3-c^3
c, 8(x+y+z)^3 -(x+y)^3 - (y+z)^3 - (z+x)^3
phan tich da thuc thanh nhan tu :xy(x-y)-xz(x+z)+yz(2x+z-y)
Phan tich thanh nhan tu
x^3+y^3+z^3-3xyz
X^3+Y^3+Z^3-3xyz
phan tich da thuc thanh nhan tu