phân tich da thuc thanh nhan tu
9x3y-16xy3
phân tich da thuc thanh nhan tu
x^8+4
Phân tich da thuc thanh nhan tu
\(^{^{ }^2}\)x2-2xy+y2-2x+2y
\(=\left(x-y\right)^2-2\left(x-y\right)=\left(x-y\right)\left(x-y-2\right)\)
phân tich da thuc thanh nhan tu
(x+1)^4+(x^2+x+1)^2
(x + 1)4 + (x2 + x + 1)2 = 2x4 + 6x3 + 9x2 + 6x + 2
= (2x4 + 4x3 + 4x2) + (2x3 + 4x2 + 4x) + (x2 + 2x + 2)
= (x2 + 2x + 2)(2x2 + 2x + 1)
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:x^8+64
x8+64
=(x4)2+16x4+82-16x4
=(x4+8)2-(4x2)2
=(x4+8-4x2)(x4+8+4x2)
Phan tich da thuc thanh nhan tu : x2 - 4x -y2+4
\(x^2-4x+4-y^2\)
\(=\left(x-2\right)^2-y^2\)
\(=\left(x-2-y\right)\left(x-2+y\right)\)
\(x^2-4x-y^2+4=\left(x-2\right)^2-y^2=\left(x-y-2\right)\left(x+y-2\right)\)
Phan tich da thuc thanh nhan tu : x2 - 4x -y2+4
\(x^2-4x+4-y^2\)
\(=\left(x-2\right)^2-y^2\)
\(=\left(x-2-y\right)\left(x-2+y\right)\)
\(=\left(x-2\right)^2-y^2=\left(x-y-2\right)\left(x+y-2\right)\)
phan tich da thuc thanh nhan tu
x(x-4)+5x-20
\(=x\left(x-4\right)+5\left(x-4\right)=\left(x+5\right)\left(x-4\right)\)
bai1:phan tich da thuc thanh nhan tu a)5x3y-10x2y2+5xy3 b)x32y-1-125 2y-1 c)x2-6x-4y2+9 d)x2-xy+2y-2x