\(x^4+x^3+2x^2+x+1=x^4+x^2+x^3+x+x^2+1\)
\(=x^2\left(x^2+1\right)+x\left(x^2+1\right)+1\left(x^2+1\right)\)
\(=\left(x+1\right)\left(x^2+x+1\right)\)
cái cuối là \(\left(x^2+1\right)\left(x^2+x+1\right)\)
\(x^4+x^3+2x^2+x+1=x^4+x^2+x^3+x+x^2+1\)
\(=x^2\left(x^2+1\right)+x\left(x^2+1\right)+1\left(x^2+1\right)\)
\(=\left(x+1\right)\left(x^2+x+1\right)\)
cái cuối là \(\left(x^2+1\right)\left(x^2+x+1\right)\)
phan tich da thuc thanh nhan tu :x^5+2x^4+3x^3+2x^2+2x+1
phan tich da thuc thanh nhan tu
x3 -2x -4
phan tich da thuc thanh nhan tu
\(2x^3-x^2+5x+3\)
phan tich da thuc thanh nhan tu a. x^3+x+2
b, x^4+5x^3+10x-4
phan tich da thuc thanh nhan tu; x4-2x2-8
ap dung tim x biet (x4-2x2-8):(x-2)=0
phan tich da thuc thanh nhan tu
\(x^4-x^2+1\)
phan tich da thuc thanh nhan tu
B=\(^{x^4}+6x^3+7x^2-6x+1\)
phan tich da thuc thanh nhan tu
a, x^2+x-6
b,x^4+4
phan tich da thuc thanh nhan tu
3x^4-48
x^4-8x
x^3-6x^2+9x