Phân tich da thuc thanh nhan tu
a)\(yz\left(y+z\right)+xz\left(z-x\right)-xy\left(x+y\right)\)
phan tich da thuc sau thanh nhan tu :
\(\left(x^2+y^2\right)^3+\left(z^2-x^2\right)^3-\left(y^2+z^2\right)^3\)
1). x2y2(y-x)+y2z2(z-y)-z2x2(z-x)
2)xyz-(xy+yz+xz)+(x+y+z)-1
3)yz(y+z)+xz(z-x)-xy(x+y)
4)2a2b+4ab2-a2c+ac2-4b2c+2bc2-4abc
5)y(x-2z)2+8xyz+x(y-2z)2-2z(x+y)2
6)8x3(y+z)-y3(z+2x)-z3(2x-y)
7) (x2+y2)3+(z2-x2)3-(y2+z2)3
1). x2y2(y-x)+y2z2(z-y)-z2x2(z-x)
2)xyz-(xy+yz+xz)+(x+y+z)-1
3)yz(y+z)+xz(z-x)-xy(x+y)
4)2a2b+4ab2-a2c+ac2-4b2c+2bc2-4abc
5)y(x-2z)2+8xyz+x(y-2z)2-2z(x+y)2
6)8x3(y+z)-y3(z+2x)-z3(2x-y)
7) (x2+y2)3+(z2-x2)3-(y2+z2)3
1. Phan tich da thuc thanh nhan tu.
a. 4x4-32x2+1
b. x6+27
c. 27x3-27x2+18x-4
d. x2+2xy+y2-x-y-12
e. 6x2-6x-1
f. 15x2-2x-1
g. (2x2-4)+9
h. x5+x4+1
k. 7x3-14x2+7x
l. (x2+y2+z2).(x+y+z)+(xy+yz+zx)2
phân tích đa thức sau thành nhân tử :
xy(x-y) - xz(x+z) +yz(2x+z-y)
Cho x^2+y^2+z^2=10. Tính P= (xy=yz=xz)^2 + (x^2-yz)^2 + (y^2 -xz)^2 + (z^2-xy)^2
Giup minh vs a!
Phan tich thanh nhan tu
x2-y2-3x+3y
cho da thuc B=(x+y)(x+z)(y+z)+xyz
a.phân tich da thuc thanh nhan tu
b. Nếu x,x,z là số nguyên và x+y+z chia hết cho 6 thì B-3xy cũng chia hết cho 6
1). x2y2(y-x)+y2z2(z-y)-z2x2(z-x)
2)xyz-(xy+yz+xz)+(x+y+z)-1
3)yz(y+z)+xz(z-x)-xy(x+y)
4)2a2b+4ab2-a2c+ac2-4b2c+2bc2-4abc
5)y(x-2z)2+8xyz+x(y-2z)2-2z(x+y)2
6)8x3(y+z)-y3(z+2x)-z3(2x-y)
7) (x2+y2)3+(z2-x2)3-(y2+z2)3