phan tich da thuc thanh nhan tu
\(2x^2-5x-7\)
phan tich da thuc thanh nhan tu x^3-5x^2+2x+8
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 da thuc thanh nhan tu (x^2-x+2)^2- 2x^2 +2x -7
phan tich da thuc thanh nhan tu
\(2x^3-x^2+5x+3\)
$ 2x^3 - x^2 + 5x + 3 \\ = 2x^3 + x^2 - 2x^2 - x + 6x + 3 \\ = x^2(2x + 1) - x(2x + 1) + 3(2x + 1) \\ = (2x + 1)(x^2 - x + 3) $
\(2x^3-x^2+5x+3\)
= \(2x^3+x^2-2x^2-x+6x+3\)
\(=x^2\left(2x+1\right)-x\left(2x+1\right)+3\left(2x+1\right)\)
\(=\left(2x+1\right)\left(x^2-x+3\right)\)
Vì \(x^2-x+3=\left(x-\dfrac{1}{2}\right)^2-\dfrac{1}{4}+3>0\)
Nên
\(2x^3-x^2+5x+3=\left(2x+1\right)\left(x^2-x+3\right)\)
6x2-5x-3xy+10x
phan tich da thuc thanh nhan tu
\(=6x^2+5x-3xy\)
\(=x\left(6x+5-3y\right)\)
phan tich da thuc thanh nhan tu
5x+ 7$\sqrt xy $ -6y+$\sqrt x $ - 2$\sqrt y $
phan tich da thuc thanh nhan tu: 4x4+4x3+5x2+2x+1
phan tich da thuc thanh nhan tu
3x(x+1)2-5x2(x+1)+7(x+1)