1)n²-mn+3n-3m
n(n-m)+3(n-m)
(n+3)(n-m)
2)4s²+10s-2sy-5y
2s(2s+5)-y(2s+5)
(2s-y)(2s+5)
3)x²+4x²y+4y²+y
x²(1+4y)+y(4y+1)
(x²+y)(4y+1)
4)2r-1-s+2rs
2r+2rs-1-s
2r(1+s)-(1+s)
(2r-1)(1+s)
5)4ab+9ac+6bc+6a²
4ab+6a²+6bc+9ac
2a(2b+3a)+3c(2b+3a)
(2a+3c)(2b+3a)
6)20x²-4xy+30xz-6yz
4x(5x-y)+6z(5x-y)
(4x+6z)(5x-y)
1)n²-mn+3n-3m
n(n-m)+3(n-m)
(n+3)(n-m)
2)4s²+10s-2sy-5y
2s(2s+5)-y(2s+5)
(2s-y)(2s+5)
3)x²+4x²y+4y²+y
x²(1+4y)+y(4y+1)
(x²+y)(4y+1)
4)2r-1-s+2rs
2r+2rs-1-s
2r(1+s)-(1+s)
(2r-1)(1+s)
5)4ab+9ac+6bc+6a²
4ab+6a²+6bc+9ac
2a(2b+3a)+3c(2b+3a)
(2a+3c)(2b+3a)
6)20x²-4xy+30xz-6yz
4x(5x-y)+6z(5x-y)
(4x+6z)(5x-y)