Phân tích đa thức sau thành nhân tử
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) x ^ 2 + 6x + 9 - y ^ 2. 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)
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) x ^ 2 + 6x + 9 - y ^ 2. 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)