Phân tích đa thức thành nhân tử
1 )x^ 3 +2x^ 2 +x.
2) x ^ 4 - 4x ^ 3 + 4x ^ 2 .
3) 5x ^ 3 - 10x ^ 2 + 5x * 0.
4 )2x^ 3 -12x^ 2 +18x
5) 8x2 y - 8xy + 2x.
6) 5x²y- 35xy + 60y
7) 5(x - y) - y(x - y) * 0.
8 )*(y+1)+8(y+1)
9) x(y+1)+8(y+1).
10) 5x(x - 1) - (1 - x)
11) 3(x - y) - 5x(y - x) * 0.
12 )3x(x-y)+6(y-x)
13) 10x(x - y) - 8y(y - x) * 0.
14 )(x+1)^ ^ 2-3(x+1)
15) x² + 6x + 9 - y².
16 )x^ 2 -y^ 2 +4x+4
18) x ^ 2 + 8x + 16 - y ^ 2.
17 )x^ ^ 2-y^ ^ 2-6y-9
(giúp e với mn oiiii)