ta có : x^8 +x^4 +1= (x^8 -x^5) +(x^5-x^2) +(x^4 -x) +(x^2 +x 1)=x^5.(x^3 -1) +x^2(x^3-1) +x(x^3-1) +(x^2 +x+1)=x^5.(x-1)(x^2 +x+1) +x^2(x-1)(x^2 +x+1) +x(x-1)(x^2 +x+1) +(x^2 +x+10=(x^2 +x+1)(x^6- x^5 +x^3 -x +1)
x^4+x^3-9x^2+10x-8 phan tich da thuc thanh nhan tu
phan tich da thuc thanh nhan tu
x^2-x-y^2-y
x^2-2xy+y^2-z^2
bai 32 va 33 sbt
lop 8 bai phan tich da thuc thanh nhan tu bang cach nhom hang tu
phân tich da thuc thanh nhan tu
x^8+4
( x+2)(x+3)(x-7)(x-8)-144 phan tich da thuc thanh nhan tu
phan tich da thuc thanh nhan tu x^3-5x^2+2x+8
x^4 +1997x^2 +1996x+1997
phan tich da thuc thanh nhan tu
x^4 +1997x^2 +1996x+1997
phan tich da thuc thanh nhan tu
x^8+3x^4+1
Gup mk phan tich da thuc thanh nhan tu voi!
phan tich da thuc thanh nhan tu bang cach them bot cung 1 hang tu;
\(x^8+x^4+1\)
