tu de bai suy ra: 3x(x^3+4x+4)=3x(x+2)^2
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Phan tich da thuc thanh nhan tu:
x3-42-12x+27
phan tich da thuc sau thanh nhan tu
x3-4x2+12x-27
phan tich da thuc thanh nhan tu
x^2+6x+9
10x-25-x^2
8x^3-1/8
8x^3+12x^2+6xy^2+y^3
phan tich da thuc thanh nhan tu : a) 3x^2 - 22xy + 4x + 8y + 7x^2 + 1 ; b) 12x^2 + 5x - 12y^2 + 12y - 10xy - 3 ; c)x^4 + 6x^3 + 11x^2 + 6x + 1
phan tich da thuc thang nhan tu
6^2+12x-8
Phan tich da thuc thanh nhan tu
a) x^2 - 7xy + 10y^2
b) 4x^2 + 12x - 27
c) 81x^4 + 4
d) 3a^2 - 6ab + 3b^2 - 12c^2
e) x^3 + 6x^2 +11x +6
Phan tich da thuc thanh nhan tu:
1. [a+b]3 + [a-b]3
2. [a+b]3 - [a-b]3
3. 8x3 + 12x2y + 6x2y+ y3
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)
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