x2 - 5x + 5
= x2 - 5(x + 1)
= x2 - \(\left[\sqrt{5\left(x+1\right)}\right]^2\)
= [x - \(\sqrt{5\left(x+1\right)}\)][x + \(\sqrt{5\left(x+1\right)}\)]
Phan tich thanh nhan tu
x^2 - y - y^2 - x
5x^2+3(x+y)^2-5y^2 phan tich thanh nhan tu
phan tich da thuc thanh nhan tu x^3-5x^2+2x+8
6x^2+5x+1
phan tich da thuc thanh nhan tu
Phan tich thanh nhan tu gium minh voi.5x^2+5y^2-2x+2y+2
phan tich da thuc thanh nhan tu : 4x^4+4x^3+5x^2 +2x +1
X^4+4x^3+5x^2+2x+1
Phan tich da thuc thanh nhan tu
phan tich thanh nhan tu
a)5x^2-4x-1
b)x^3-9x
phan tich da thuc thanh nhan tu :
5x^2 + 5xy - x - y
7x - 6x^2 - 2
