a, x^3-x^2-4x^2+8x-4

b, 4x^2-25-(2x-5)2x+7

c, x^3+27+(x+3)(x-9)

d, 2x^2-2y^2+5x-5y

e, x^2-y^2-2y-1

phan tich da thuc thanh nhan tu

phan tich da thuc thanh nhan tu:

a,x^4-2x^3-12x^2+12x+36

b,x^4+x^3+6x^2+5x+5

c,x^8y^8+x^4y^4+1

d,x^5-x^4+x^3-X^2+x-1

e,x^5+x^4-X63+x62-x+2

g,x(Y^2-z^2)+y(z^2-x^2)+z(x^2-y^2)

1. phan tich da thuc thanh nhan tu

a. x^2+3x-5     b. 4x^2-16x+7     c. 5x^2-6x-7      d.x^4+2x^3-4x-4

2. tim x,y bt: x^2+y^2+z^2=xy+yz+zx va x^2012+y^2012+z^2012= 3^2013

3. tim x: a. x^2-4x=21    b. x^2-4x+4=0     c.x^2-6x=2x=11    d. 4^x-12.2^x+32=0

Cach phan tich da thuc thanh nhan tu

a)X^3+2X^2+2X+1

b)X^3-4X^2+12X-27

c)a^6-a^4+2a^3+2a^2

d)x^4+2x^3+2x^2+2x+1

e)x^5+x^4+x^3+x^2+x+1

phan tich da thuc sau thanh nhan tu:

a)   (3x-2)(4x-3)-(2-3x)(x-1)-2(3x-2)(x+1)

b)   x^2(y-z)+y^2(z-x)+z^2(x-y)

phan tich da thuc thanh nhan tu :

x^2 +2x +1 - y^2

x^2 - 3x +2 

x^2 +x -6

phan tich da thuc thanh nhan tu :x^5+2x^4+3x^3+2x^2+2x+1

Phan tich da thuc thanh nhan tu 

1) (2x+1)^2 - (x-1)^2

2) 9(x+3)^2 - 4(x-2)^2

3) 25(2x - y) ^2  - 16(x+2y)^2

4) x^4 + x^3 +x + 1

5) x^3 + 3x^2 + 3x + 1 -8y^3

Phan tich da thuc thanh nhan tu (1+2x)(1-2x)-x(x+2)(x-2)